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Please help with the following question.

If the following equation, y is the weight in pounds that a person can bench-press and x is the amount of lifting done per week on their newly begun exercise program:

y = 100+1.2x

How much lifting exercise must this person do to be able to bench-press 130 pounds?

1 answer

y = 100 + 1.2x
130 = 100 + 1.2x

Solve for x
30 = 1.2x
x = 30/1.2 = ?
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