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When are the cost the same?

Algebra
Tutor: None Selected Time limit: 0 Hours

Sunshine Plumbing charges $100 plus $80 for every hour of work. National Plumbing charges $140 plus $60 for every hour of work. Write an equation to represent the cost of using Sunshine Plumbing, and the cost of using National Plumbing

Dec 10th, 2014

100+ 80*x= 140+60*x


x=2

Dec 10th, 2014

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Dec 10th, 2014
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Dec 10th, 2014
Dec 8th, 2016
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