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Tommy is helping his mom at the grocery store. He notices that 5 pounds of potatoes cost $2.25. How much would 7 pounds of potatoes cost?

A. $3.45

B. $0.45

C. $3.15

D. $1.61

Answer :

Answer:

Cost of 7 pound potato = $3.15

Step-by-step explanation:

Given:

Cost of 5 pound potato = $2.25

Find:

Cost of 7 pound potato

Computation:

Cost of 1 pound potato = 2.25 / 5

Cost of 1 pound potato = $0.45

Cost of 7 pound potato = 7 x Cost of 1 pound potato

Cost of 7 pound potato = 7 x 0.45

Cost of 7 pound potato = $3.15

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