Answer:
Kevin need to pay $24.90 for 3 pizzas
Step-by-step explanation:
Kevin ordered 3 pizzas for $36
current total: $36
half off coupon (-50%)
current total: $36(0.5) = $18
5% tax (+5%)
current total: 5% of $18 = 0.90 so $18 + 0.90 = $18.90
delivery fee of $6
current total: $18.90 + $6= $24.90
