6.5 Solve proportions and their applications  (Page 6/12)

Kevin wants to keep his heart rate at $160$ beats per minute while training. During his workout he counts $27$ beats in $10$ seconds. How many beats per minute is this? Has Kevin met his target heart rate?

A new energy drink advertises $106$ calories for $8$ ounces. How many calories are in $12$ ounces of the drink?

One $12$ ounce can of soda has $150$ calories. If Josiah drinks the big $32$ ounce size from the local mini-mart, how many calories does he get?

Karen eats $\frac{1}{2}$ cup of oatmeal that counts for $2$ points on her weight loss program. Her husband, Joe, can have $3$ points of oatmeal for breakfast. How much oatmeal can he have?

An oatmeal cookie recipe calls for $\frac{1}{2}$ cup of butter to make $4$ dozen cookies. Hilda needs to make $10$ dozen cookies for the bake sale. How many cups of butter will she need?

Janice is traveling to Canada and will change $\text{\$250}$ US dollars into Canadian dollars. At the current exchange rate, $\text{\$1}$ US is equal to $\text{\$1.01}$ Canadian. How many Canadian dollars will she get for her trip?

Todd is traveling to Mexico and needs to exchange $\text{\$450}$ into Mexican pesos. If each dollar is worth $12.29$ pesos, how many pesos will he get for his trip?

Steve changed $\text{\$600}$ into $480$ Euros. How many Euros did he receive per US dollar?

Martha changed $\text{\$350}$ US into $385$ Australian dollars. How many Australian dollars did she receive per US dollar?

At the laundromat, Lucy changed $\text{\$12.00}$ into quarters. How many quarters did she get?

When she arrived at a casino, Gerty changed $\text{\$20}$ into nickels. How many nickels did she get?

Jesse’s car gets $30$ miles per gallon of gas. If Las Vegas is $285$ miles away, how many gallons of gas are needed to get there and then home? If gas is $\text{\$3.09}$ per gallon, what is the total cost of the gas for the trip?

Danny wants to drive to Phoenix to see his grandfather. Phoenix is $370$ miles from Danny’s home and his car gets $18.5$ miles per gallon. How many gallons of gas will Danny need to get to and from Phoenix? If gas is $\text{\$3.19}$ per gallon, what is the total cost for the gas to drive to see his grandfather?

Hugh leaves early one morning to drive from his home in Chicago to go to Mount Rushmore, $812$ miles away. After $3$ hours, he has gone $190$ miles. At that rate, how long will the whole drive take?

Kelly leaves her home in Seattle to drive to Spokane, a distance of $280$ miles. After $2$ hours, she has gone $152$ miles. At that rate, how long will the whole drive take?

Phil wants to fertilize his lawn. Each bag of fertilizer covers about $\mathrm{4,000}$ square feet of lawn. Phil’s lawn is approximately $\mathrm{13,500}$ square feet. How many bags of fertilizer will he have to buy?

April wants to paint the exterior of her house. One gallon of paint covers about $350$ square feet, and the exterior of the house measures approximately $2000$ square feet. How many gallons of paint will she have to buy?

What number is $\text{35\%}$ of $250?$

What number is $\text{75\%}$ of $920?$

What number is $\text{110\%}$ of $47?$

What number is $\text{150\%}$ of $64?$

$45$ is $\text{30\%}$ of what number?

$25$ is $\text{80\%}$ of what number?