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18-10-2018
Mathematics

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A mom bought her kids 3 cartons of milk for $1.25 each and 6 doughnuts. The total cost was $6.90. Write an equation to determine the cost of a doughnut.

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18-10-2018

3•1.25=$3.75 +6 =$6.90-$3.75=$3.15

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