Answer:
it should be a
Step-by-step explanation:
if you work for $10 an hour, and work for 2 hours, you make $20 but if you double the hours worked, so 4 hours, you make $40, which is double the hours, and double the money
it would be 5n
10+8=18 and 13+5=18
Tipping before tax: $38.72
Tipping after tax: $39.01
x=3.2
