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The expression 40x 8 represents the amount of money Makayla earns reupholstering furniture. The expression 3x − 4 represents her upfront costs. If x represents the number of pieces of furniture she reupholsters in both expressions, what is Makayla's profit when she reupholsters 4 pieces of furniture? $168 $21 $160 $8
Sagot :
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