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Bill weighs 120 pounds and is gaining each month. Phil weigh 150 pound and is gaining 4 pounds each month. how many months, m, will it take for bill to weigh the same as Phil?

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altavistard

Write, and then equate, algebraic expressions for the weights of the two boys:

120 lb + (rate of change of Bill's weight)(x) = 150 lb + (4 lb/mo)(x)

Please insert the numeric value of Bill's monthly weight gain. Then solve the above equation for x.


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