Question

Can someone explain how I do this problem for problem 1?

Also please explain step by step to get marked

Is means =

Of means multiple

What means the variable x

Answer 1

13.5

8.64

Explanation:

1) 9/100 * 150 = 13.5

2) 12/100 *72= 8.64

it means if some thing represents 9 of 100 , so by how much will it represent of a certain number (ex: 150)