Mary waits tables and earns $20 per day plus tips that average15% of the bills. How much money must her customers spend onmeals at her table for her to earn $50 per day?
a) $450
b) $200
c) $2000
d) $60
e) $600
Solution:
Let x = the amount of money that Mary’s customers spend in one day. Then
Diagnostic:
If you miss this question please review applications involving linearequations.
