Bluebook SAT Test Percentages Ratios and Proportions 3

Question 1

A tank is 40% full with 120 gallons. What is the tank's total capacity?

Accepted Answer

300

Answer

240

Answer

320

Answer

480

Question 2

A runner completes a 5-mile race in 40 minutes. What is their speed in miles per hour?

Accepted Answer

7.5 mph

Answer

6.5 mph

Answer

7 mph

Answer

8 mph

Question 3

The ratio of teachers to students in a school is 1:18. If there are 540 students, how many teachers are there?

Accepted Answer

30

Answer

25

Answer

28

Answer

36

Question 4

A jacket is marked up 40% from its wholesale price of $70. What is the retail price?

Accepted Answer

$98

Answer

$84

Answer

$94

Answer

$100

Question 5

A solution is 15% salt. How many grams of salt are in 200 grams of solution?

Accepted Answer

30

Answer

20

Answer

25

Answer

35

Question 6

In a class of 36 students, 25% are left-handed. How many students are left-handed?

Accepted Answer

9

Answer

7

Answer

8

Answer

10

Question 7

If 5 workers complete a job in 12 days, how many days would it take 10 workers to complete the same job?

Accepted Answer

6

Answer

4

Answer

5

Answer

8

Question 8

A stock's price rose from $50 to $65. What is the percentage increase?

Accepted Answer

30%

Answer

15%

Answer

20%

Answer

25%