Question

28% of what number is 40

Answer 1

40 is 28% of

142.857, so technically 142.86

Answer 2

Working out percentages

We have, 40% × x = 28
or,
40
100
× x = 28
Multiplying both sides by 100 and dividing both sides by 40,
we have x = 28 ×
100
40
x = 70
If you are using a calculator, simply enter 28×100÷40, which will give you the answer.