Question

20% of £150
15% of 80kg
85% of 2 500 m

Answer 1

Explanation:

20% of £150= first 150/10=15=10%x2=20% or 30

15% of 80kg=first 80/10=8=10% 5%=half of 10% or 4 so answer is 12

85% of 2 500 m=first 85/10=8.5=10% then/2=4.25add to get 12.75