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8-9.

Mighty Max started the wrestling season weighing 135 pounds. By the time the season ended, he weighed 128 pounds. What was the percent decrease in his weight? That is, what was his decrease in weight as a percent of his starting weight? Homework Help ✎

Find the value of the decrease as a percent of the original weight.

Decrease: 135 − 128 = 7 pounds
7 = (x)(135)

5%