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Fitness
Weightlifting
Weight Plates
A set of weights includes a`20`lb barbell and`6`pairs of weight plates. Each pair of plates weighs `30` lb. If`x`pairs of plates are added to the barbell, the total weight of the barbell and plates in pounds can be represented by ``
1 answer
20 + 2x(30) = 20 + 60x
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