Question

86 is 45% of what number?

1) 86=0.45n
2) n=0.45x86
3) 0.45= n x 86
4) 86= 45n

Answer 1

191.1

Answer 2

45% is a shorthand for multiplying by 45/100

if 86 is 45% of some number, x, that means

\[86 = \frac{45}{100}x\]

Answer 3

yeah

Answer 4

I have to go

Answer 5

I suppose I should have used \(n\) to match the answer choices.

Remember that \(\dfrac{45}{100} = 0.45\) and you should be able to find the correct answer.