Question

Brian scored 120 on his test the first time he took the test. The second time he took the test,

he scored 150. By what percentage did Brian increase his score?
a. 20%
b. 25%
c. 80%
d. 125%

Answer 1

b. 25%

Explanation:

(new - old)/ old * 100%

150 - 120 = 30 ... 30/120 = .25 * 100% = 25%

Answer 2

25% increase

Explanation:

Take the new amount and subtract the original amount

150-120

30

Divide this by the original amount

30/120

1/4

.25

Multiply by 100%

25%