Carly is overnight shipping some fresh-baked cookies to her grandma. The shipping cost is equal to a flat $5.00 fee plus $0.80 per pound of weight. If the package weighs 5 pounds, how much does Carly pay for shipping? Think carefully first, then make a decision:
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First calculate the weight - based charge by multiplying the package's weight in pounds by the price per pound: 5 pounds * $0.80 / pound = $4.00. Then add the weight - based charge to the flat fee to find the total cost: $4.00 + $5.00 = $9.00. So, the answer is 9.
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