Jesse bought 5.2 pounds of grapes for 7.75. using the unit rate, how much would 3 pounds of grapes cost

The cost of 3 pounds of grapes =$4.47

Cost of 5.2 pounds of grapes =$7.75

Cost of 1 pound =7.755.2=$1.49 (rounding off to the nearest 100)

So, now we can calculate the cost of 3 pounds of grapes:
=1.49×3=$4.47 

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