Scaling Quantities and Percentages

A 12,000 gallon pool is being filled at a rate of 40 gallons per minute. At this rate, how many minutes will it take to fill this pool 3/4 full?

• 225 gallons

• 225 minutes

• 225 seconds

• 225 days

The scale on a map is 2cm = 25 miles. Dave measured the distance to the next town at 5 cm. How many miles away is the next town?

• 6.35 miles

• 6.25 miles

• 62.5 miles

• 625 miles

Which set of numbers is equivalent to 75%

• 0.75, 3/5

• 3/4, 0.075

• 7.5, 75/100

• 15/20, 0.75

What is 25% of 80?

• 20

• .20

• 2.0

• 25%

What is 20% of 75?

• 1.5

• 15

• .15

• 150

Which of these students wrote an equation that is true?

• Student A & C

• Student B & C

• Student B

• Student C

On the beach boardwalk, there are 20 different places to get food. Twenty percent of them are ice cream shops. How many ice cream shops are there?

• 100

• .04

• 40

• 4

The United States Air Force has 19 women for every 81 men enlisted. If a squadron has 750 members, approximately how many are women?

• 143

• 175

• 607

• 165

Jack is learning to save, spend, and give away 10% of his summer job earnings. If he gives away $256, how much did he earn this summer?

• $256

• $2.56

• $25.60

• $2,560

Joey has 8 pairs of socks in his drawer. Five of them are white. What percent of colored socks does Joey have?

• 39

• 37.5

• 62.5

• 63