The price of grapes at the grocery store is $1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest cent, what is the price of grapes in dollars per kilogram?

A pound is about 0.45 kilograms, so $1.44 buys 0.45 kilograms of grapes. To find the price per kilogram, divide $1.44 by 0.45: $1.44 ÷ 0.45 = $3.20. The price is $3.20 per kilogram, choice D.

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