Last year, Molly earned $120 babysitting over her holiday break from school. This year, Molly earned $160 babysitting. Comparing the years of babysitting, by what percentage did her earnings increase? Round your answer to the nearest whole number.
A. 25%
B. 42%
C. 37%
D. 30%
E. 33%

Respuesta :

Molly's earning increased by 25%

How to calculate the percentage increase ?

Percentage increase formula is

Increase/ original value × 100

The first step is to calculate the increase

160 -120

= 40

Therefore the percentage increase can be calculated as follows

= 40/160 × 100

= 0.25 × 100

= 25

Hence Molly's earnings increased by 25%

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