Ratios and Proportions Review

At the local high school, there are 375 tenth-grade students. Currently, 24% of those students are in advanced math.

• 24

• 90

• 285

• 100

At the local high school, there are 375 tenth-grade students. Currently, 24% of those students are in advanced math.

How many students are NOT in advanced math?

• 90

• 285

• 76

• 100

At the department store, there are 90 shoppers who make a purchase and 360 shoppers who do not make a purchase. What percent of shoppers made a purchase?

• 20%

• 25%

• 500%

• 400%

In her last soccer game, Lina scored 6 points, which was 30% of the total points her entire team scored. What was the number of points the entire team scored?

• 2

• 20

• 15

• 26

During a shopping trip Alex spent $540, which was 60% more than Natasha spent. How much money did Natasha spend?

• $202.50

• $337.50

• $982

• $480

Express 9 hours as a percentage of 3 days

^{3 days is the equivalent of 72 hours}

• $33\frac{1}{3}\%$

• $4.1\overline{6}\%$

• 12.5%

• 3%

Matthew works from 9:00 AM to 7:00 PM. He takes a break 60% of the way through his work shift. What time does he take his break?

• 4:00 PM

• 2:00 PM

• 3:00 PM

• 1:00 PM

Erwin went to the store and want's to buy a pair of pants that normally cost $40. He has a coupon for 25% off the normal price. If he buys them today he will get an additional 30% off that discounted price.

How much will he pay for the pants if he buys them today?

• $30

• $28

• $20

• $21

Calculate the percent error:

Joel thought there would be 42 candies in a jar. There were actually 35 candies in the jar.

• 20%

• 80%

• 120%

• $16.\overline{6}$ %

Anna invests $300 in a savings plan. The plan pays 6% interest each year on her $300 account balance. How much money will Anna have in her account after 4 years?

^{Use the interest fomula to help you solve: I=Prt}

• $18

• $318

• $372

• $72