Question

Amy spent 80 minutes on DFM last week.

This week, Amy spent 112 minutes on DFM.
Find the percentage increase.

Answer 1

29%

Explanation:

112-80=32

increase ÷ original × 100 %

= 32÷112×100%

≈29% (corrected to the nearest whole number)

Answer 2

80:100

112:x

11200/80=x

x= 140

40% increase