Vocabulary
Word Problems
Part/Whole/Percent
100
Explain how the percent equation relates proportional quantities.
In the percent equation the percent is a constant of proportionality that relates a part to a whole. The equation shows that the part is equivalent to the whole multiplied by the percent.
100
Colleen buys a movie for $20 and pays 7% sales tax. Her cousin, Brad, livesin another state. Brad buys the same movie for $22 and pays 6% sales tax.Who pays more sales tax? How much more?
Colleen pays $0.08 more sales tax than Brad.
Colleen's tax=$1.4
Brad's tax= $1.32
100
18 is what percent of 90?
20%
200
What's the proportion equation?
part=percent*whole
200
Kamesh and Paolo each read 40 books in one year. Kamesh read 12 nonfiction books. Thirty-five percent of the books Paolo read were nonfiction. Who read more nonfiction books? How many more?
Kamesh read 30% non fiction and Paolo read 35%
Paolo read more fiction than Kames
200
what percent of 100 is 20?
20%
300
In what form does the percent go into the percent equation?
decimal form/ divided by 100
300
Val buys a computer for $920. If this is 115% of what the store paid for the same computer, how much did the store earn on the sale? L
original price: $800
store earned: $120
300
Anika collects $60 toward the purchase of a new cell phone. At that point, she has raised 24% of the money she needs. How much money does she need? Use a proportion to solve this problem.
What are we finding?
$250
we're finding the whole
400
The whole or total is usually found after which key word?
of
400
18/45=X/100
40%
400
24 is 15% of what?
160
24/0.15
500
The percent is always a_________ of a whole?
part
500
The attractive pair of boots that Tomiko wants to buy is selling for $80. Before she can buy them, the store raises the price by $24. By what percentage did they raise the price? Use a proportion to solve this problem.
30%
24/80=X/100
500
45 is 125% of what? use a proportion or equation
36