<< Chapter < Page
  Wiskunde graad 7   Page 1 / 1
Chapter >> Page >

Wiskunde

Persentasies

Opvoeders afdeling

Memorandum

18.2

KOSPRYS VERKOOPPRYS VERLIES/WINS % WINS/VERLIES
a) R623 24,92% wins
b) R80 28,57% verlies
c) R9,99 27,75% wins
d) R19,14 R2,64
e) R765 R135
  • a) 14%
  1. Werkvoorsiening; welsyns- en maatskaplike uitgawes; behuising; ens.
  2. Melk; vars groente; vars vrugte; vleis

19.3 a) 41c

b) R2,66

c) R69,86

  1. R770

20. Betaal eers BTW, dan afslag.

21.

a)>

b)<

c) =

d)<

e) =

f) =

g)>

h)>

i) 0,55

j) 0,125

k) 1,42

l) 0,03

m) 0,45

n) 0,075

o) 0,625

Leerders afdeling

Inhoud

Aktiwiteit: wins en verlies [lu 1.4, lu 2.3.3]

18. WINS EN VERLIES

18.1 Belangrik om te weet!

Wins = verkoopprys – kosprys

% wins = verkoopprys – kosprys
kosprys
×
100
1
= wins
kosprys
×
100
1

Verlies = wanneer jy meer vir ’n item betaal as waarvoor jydit verkoop

% verlies = verlies
kosprys
×
100
1

18.2 Voltooi die tabel met behulp van jou sakrekenaar.

Kosprys Verkoopprys Verlies / Wins % Wins / Verlies
Bv. R125 R160 R35 28% wins
a) R2 500 R3 123 ................. .........................
b) R280 R200 ................. .........................
c) R36 R45,99 ................. .........................
d) R16,50 ................. ................. 16% wins
e) R900 ................. ................. 15% verlies

19.1 Het jy geweet?

Belasting op toegevoegde waarde (BTW) is ’n bedrag geld wat deur die Minister van Finansies vasgestel word as deel van die regering se begroting. Dit word ook soms “verkoopbelasting” genoem.

19.2 Vind uit

a) Hoeveel % BTW moet ons tans betaal? ………………………………………..

…………………………………………………………………………………………..

b) Waarvoor gebruik die regering die geld wat hulle met BTW in?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

c) Watter items is vrygestel van BTW? …………………………………………..

…………………………………………………………………………………………..

…………………………………………………………………………………………..

19.3 Bereken die BTW op die volgende teen 14% met behulp van jou sakrekenaar.

a) R2,95 : ………………………………………………………………………….

b) R18,99 : ………………………………………………………………………...

c) R499 : …………………………………………………………………………..

d) R 5 500 : ………………………………………………………………………..

20. KOPKRAPPER!

Jy koop ’n artikel kontant en kry 10% afslag, maar moet 14% BTW betaal. Wat is die voordeligste vir jou: om eers belasting te betaal en dan die afslag te kry, of andersom?

…………………………………………………………………………………………..

…………………………………………………………………………………………..

…………………………………………………………………………………………..

…………………………………………………………………………………………..

21. Kan jy die volgende hoofrekentoets binne 3 minute voltooi?

Vul in:<;>; = : Skryf as desimale breuk:
a) 0,8 ........... 8% i) 55% : ....................
b) 3 4 size 12{ { { size 8{3} } over { size 8{4} } } } {} ............ 76% j) 1 8 size 12{ { { size 8{1} } over { size 8{8} } } } {} : ....................
c) 60% ........... 0,6 k) 142% : ....................
d) 4 5 size 12{ { { size 8{4} } over { size 8{5} } } } {} ............ 85% l) 3% : ....................
e) 0,835 ........... 83,5% m) 9 20 size 12{ { { size 8{9} } over { size 8{"20"} } } } {} : ....................
f) 0,02 ........... 2% n) 7 1 2 size 12{7 { { size 8{1} } over { size 8{2} } } } {} % : ....................
g) 1 3 size 12{ { { size 8{1} } over { size 8{3} } } } {} ............ 33% o) 62 1 2 size 12{"62" { { size 8{1} } over { size 8{2} } } } {} % : ....................
h) 12,5% ............ 1 8 size 12{ { { size 8{1} } over { size 8{8} } } } {}

(15)

Assessering

Leeruitkomste 1: Die leerder is in staat om getalle en die verwantskappe daarvan te herken, te beskryf en voor te stel, en om tydens probleemoplossing bevoeg en met selfvertroue te tel, te skat, te bereken en te kontroleer.

Assesseringstandaard 1.4: Dit is duidelik wanneer die leerder ekwivalente vorms van rasionale getalle herken en gebruik;

Leeruitkomste 2: Die leerder is in staat om patrone en verwantskappe te herken, te beskryf en voor te stel en probleme op te los deur algebraïese taal en vaardighede te gebruik.

Assesseringstandaard 2.3: Dit is duidelik wanneer die leerder voorstellings maak van en verwantskappe tussen veranderlikes gebruik sodat inset- en/of uitsetwaardes op ‘n verskeidenheid maniere bepaal kan word deur die gebruik van:

2.3.3 tabelle.

Questions & Answers

what is mutation
Janga Reply
what is a cell
Sifune Reply
how is urine form
Sifune
what is antagonism?
mahase Reply
classification of plants, gymnosperm features.
Linsy Reply
what is the features of gymnosperm
Linsy
how many types of solid did we have
Samuel Reply
what is an ionic bond
Samuel
What is Atoms
Daprince Reply
what is fallopian tube
Merolyn
what is bladder
Merolyn
what's bulbourethral gland
Eduek Reply
urine is formed in the nephron of the renal medulla in the kidney. It starts from filtration, then selective reabsorption and finally secretion
onuoha Reply
State the evolution relation and relevance between endoplasmic reticulum and cytoskeleton as it relates to cell.
Jeremiah
what is heart
Konadu Reply
how is urine formed in human
Konadu
how is urine formed in human
Rahma
what is the diference between a cavity and a canal
Pelagie Reply
what is the causative agent of malaria
Diamond
malaria is caused by an insect called mosquito.
Naomi
Malaria is cause by female anopheles mosquito
Isaac
Malaria is caused by plasmodium Female anopheles mosquitoe is d carrier
Olalekan
a canal is more needed in a root but a cavity is a bad effect
Commander
what are pathogens
Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
Muhsin Reply
respiration is the process in which we breath in oxygen and breath out carbon dioxide
Achor
how are lungs work
Commander
where does digestion begins
Achiri Reply
in the mouth
EZEKIEL
what are the functions of follicle stimulating harmones?
Rashima Reply
stimulates the follicle to release the mature ovum into the oviduct
Davonte
what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
Achor
what's biology?
Egbodo Reply
Biology is the study of living organisms, divided into many specialized field that cover their morphology, physiology,anatomy, behaviour,origin and distribution.
Lisah
biology is the study of life.
Alfreda
Biology is the study of how living organisms live and survive in a specific environment
Sifune
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Wiskunde graad 7. OpenStax CNX. Oct 21, 2009 Download for free at http://cnx.org/content/col11076/1.2
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Wiskunde graad 7' conversation and receive update notifications?

Ask