Question

9 is 45% of what number​

Answer 1

20

Explanation:

We have, 45% × x = 9

or,

45/100 × x = 9

Multiplying both sides by 100 and dividing both sides by 45,

we have x = 9 × 100/45

x = 20

If you are using a calculator, simply enter 9×100÷45, which will give you the answer.