Question

The speed of the car increased from 80 km/h to 120 km/h. What is the percentage increase?

Answer 1

50% (150%-100%)

Explanation:

80km/h .......... 100%

120km/h ...............x%

x = 120*100/80 = 150%

Answer 2

50%

Explanation:

increase = 120 - 80 = 40 which is 50 % of 80