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90 is 150% of what number?

90 n = 150 100

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77 is 110% of what number?

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What percent of 85 is 17 ?

17 85 = p 100

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What percent of 92 is 46 ?

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What percent of 260 is 340 ?

340 260 = p 100

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What percent of 180 is 220 ?

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Translate and Solve Percent Proportions

In the following exercises, translate and solve using proportions.

What number is 65% of 180 ?

117

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What number is 55% of 300 ?

165

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18% of 92 is what number?

16.56

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22% of 74 is what number?

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175% of 26 is what number?

45.5

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250% of 61 is what number?

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What is 300% of 488 ?

1464

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17% of what number is $7.65 ?

$45

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19% of what number is $6.46 ?

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$13.53 is 8.25% of what number?

$164

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$18.12 is 7.55% of what number?

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What percent of 56 is 14 ?

25%

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What percent of 80 is 28 ?

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What percent of 96 is 12 ?

12.5%

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What percent of 120 is 27 ?

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Everyday math

Mixing a concentrate Sam bought a large bottle of concentrated cleaning solution at the warehouse store. He must mix the concentrate with water to make a solution for washing his windows. The directions tell him to mix 3 ounces of concentrate with 5 ounces of water. If he puts 12 ounces of concentrate in a bucket, how many ounces of water should he add? How many ounces of the solution will he have altogether?

20, 32

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Mixing a concentrate Travis is going to wash his car. The directions on the bottle of car wash concentrate say to mix 2 ounces of concentrate with 15 ounces of water. If Travis puts 6 ounces of concentrate in a bucket, how much water must he mix with the concentrate?

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Writing exercises

To solve “what number is 45% of 350 do you prefer to use an equation like you did in the section on Decimal Operations or a proportion like you did in this section? Explain your reason.

Answers will vary.

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To solve “what percent of 125 is 25 do you prefer to use an equation like you did in the section on Decimal Operations or a proportion like you did in this section? Explain your reason.

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Self check

After completing the exercises, use this checklist to evaluate your mastery of the objectives of this section.

.

Overall, after looking at the checklist, do you think you are well-prepared for the next Chapter? Why or why not?

Understand Percent

In the following exercises, write each percent as a ratio.

32% admission rate for the university

32 100

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53.3% rate of college students with student loans

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In the following exercises, write as a ratio and then as a percent.

13 out of 100 architects are women.

13 100 , 13%

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9 out of every 100 nurses are men.

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In the following exercises, convert each percent to a fraction.

In the following exercises, convert each percent to a decimal.

In the following exercises, convert each percent to

  1. ⓐ a simplified fraction and
  2. ⓑ a decimal.

In 2012 , 13.5% of the United States population was age 65 or over. (Source: www.census.gov)

  1. 27 200
  2. 0.135

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In 2012 , 6.5% of the United States population was under 5 years old. (Source: www.census.gov)

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When a die is tossed, the probability it will land with an even number of dots on the top side is 50% .

  1. 1 2
  2. 0.5

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A couple plans to have three children. The probability they will all be girls is 12.5% .

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In the following exercises, convert each decimal to a percent.

Questions & Answers

Discuss the differences between taste and flavor, including how other sensory inputs contribute to our  perception of flavor.
John Reply
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Ummi Reply
omeprazole
Kamara
what
Renee
what is this
Renee
is a drug
Kamara
of anti-ulcer
Kamara
Omeprazole Cimetidine / Tagament For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
Nency Reply
Not really sure
Eli
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include: 1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
what is anatomy
Oyindarmola Reply
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Oyerinde Reply
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Mohammed Reply
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
Wulku Reply
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
Ali Reply
function of digestive
Ali
the diagram of the lungs
Adaeze Reply
what is the normal body temperature
Diya Reply
37 degrees selcius
Xolo
37°c
Stephanie
please why 37 degree selcius normal temperature
Mark
36.5
Simon
37°c
Iyogho
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
37A c
Wulku
what is anaemia
Diya Reply
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
Diya Reply
how does Lysin attack pathogens
Diya
acid
Mary
I information on anatomy position and digestive system and there enzyme
Elisha Reply
anatomy of the female external genitalia
Muhammad Reply
Organ Systems Of The Human Body (Continued) Organ Systems Of The Human Body (Continued)
Theophilus Reply
what's lochia albra
Kizito
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Source:  OpenStax, Prealgebra. OpenStax CNX. Jul 15, 2016 Download for free at http://legacy.cnx.org/content/col11756/1.9
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