Question

4.5% of what number is 99?

Answer 1

Let x be a number such that 4.5% of x is equal to 99.

4.5% of x is the same as 4.5/100 times x. Then:

$\frac{4.5}{100}x=99$

Then:

$x=\frac{100}{4.5}\times99=2200$

Therefore, 4.5% of 2200 is 99.