Answer:
12 car washes for $100
Explanation:
100÷12=$8.33 per car wash
45÷5=$9 per car wash
You will be paying a cheaper price for more car washes with the $100 for 12 deal.
12 carwashes for $100
100/12 = 8+1/3$ per car wash
45/5 = 9$ per car wash
You would want the lower costing deal so 12 carwashes for 100$ is better.
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