Question

What is 15% of 30

Answer 1

4.5

Answer 2

Okay. So percent is always out of 100.

There's a start\[\frac{ 15 }{ 100 }\]

Answer 3

But we gotta make that equal to something

Answer 4

multiply .15 * 30 and you will get your answer. to solve other problems like the just change the percentage to decimal form then multiply (:

Answer 5

So, we do \[\frac{ is }{ of }\]

Answer 6

We don't know the "is", but the question does say "of 30"

Answer 7

\[\frac{ 15 }{ 100 }=\frac{ n }{ 30 }\]

Answer 8

Now, we cross multiply

15*30=450
450/100=4.5

Answer 9

Therefore, n=4.5