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Question:

What is the cost of putting grass seed on a 480-square-yard field, if a bag of grass seed covers 60 square yards and costs $7.45?

A $59.60
Explaination

Since 480 ÷ 60 = 8, you need 8 bags to cover the yard. Since each bag costs $7.45, the total cost will be $7.45 × 8 = $59.60.