Question

Stan took Lily to his friend’s restaurant on a date. The friend told the waiter to remove the $12
dessert from Stan’s bill. Stan tipped the waiter 20%
on the reduced bill, which was a $15
tip. Fill in the blanks to write an equation that will determine the amount of the original bill, b
.(2 points)
( b −

) =

Answer 1

0.20(b − 12) = 15

Solve: b − 12 = 75, so b = 87.