Stan took Lily to his friends restaurant on a date. The friend told the waiter to remove the $12 dessert from Stan's bill. Stan tip 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.

Question

-------(b -----) =-------

Answer 1

(0.8b - 12) = 15