Question

What is the number if 80% of 50% of it is 0.72?

Answer 1

`x = 1.8`

Explanation:

So let's call our original number `x`. To take 80% of 50% of `x` what we have done is multiply first by 0.5 and then by 0.8. Hence,

`0.72 = 0.8*0.5*x`

`implies x = (0.72)/(0.8*0.5)`

`therefore x = 1.8`