math
posted by sabina on .
Len and Kris had dinner in a restaurant. The dinner bill was $18.50.
They had to pay a 5% food tax and they left a 15% tip for the waiter.
What was the total amount they paid for dinner that night?

18.50 * 1.05 = $19.43
19.43 * 1.15 = $22.34