mary141 mary141

09-10-2016
Mathematics

contestada

one moving company charges $800 plus $16 per hour. Another moving company charges $720 plus $21 per hour. At what number of hours will the charge by both companies be the same? What is the charge?

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Aliwohaish12 Aliwohaish12

09-10-2016

Let x = time in hours Since their costs must be equal, 800 + 16x = 720 + 21x Solving, 800 - 720 = 21x - 16x 80 = 5x x = 16 hours Hope this helps~ :3

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