Question

80% of what number is 15? Round the answer to the nearest tenth

Answer 1

x = 18.75 Round to nearest tenth is 18.8

Explanation:

We have, 80% × x = 15

or,
`(80)/(100)` × x = 15

Multiplying both sides by 100 and dividing both sides by 80,

we have x = 15 ×
`(100)/(80)`

x = 18.75

If you are using a calculator, simply enter 15×100÷80, which will give you the answer.

Answer 2

15 x 100 / 80 = 18.75

To hmthe nearest tenth is 18.8