Question

I forgot how to solve these type of questions can someone walk me through this question?

Answer 1

15% = 0.15

$30 x 0.15 = $4.50

Answer

Olivia left $4.50 for the tip on a $30 food bill.

Answer 2

30 times .15 and it equals 4.5 so basically multiply 30 time the tip as a decimal