Question

Your family decides to go out to dinner to celebrate your brothers graduationfrom high school. The family's meal cost $75. Your waitress did a great job andyour parents decide to leave her a 20% tip. How much tip money should yourparents leave her if they leave her 20%? And what is the total cost of the meal? *

Answer 1

$75 -----> 100%

x ---------> 20%

`\begin{gathered} x*100=75*20 \\ 100x=1500 \\ (100x)/(100)=(1500)/(100) \\ x=15 \end{gathered}`

asnwer 1: they leave her $ 15

answer 2: the total cost of the meal is

`75+15=90`

$ 90