Question

Peter increased the amount of crunches he did from 32 to 36. By what percentage did Peter increase the amount of crunches he completed?
A 30%
B 12.5%
C 20%
D 22.5%

Answer 1

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Answer:

  B 12.5%

Step-by-step explanation:

The percentage change is calculated as ...

  % change = ((new value)/(old value) -1) × 100%

  = (36/32 -1) × 100% = 1/8 × 100% = 12.5%

Peter increased his crunches by 12.5%.