A moving company charges $800 plus $16 per hour. Another moving company charges $720 plus $21 per hour. How long is job that costs the same no matter which company is used?

Answer 1

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

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Answer 2

13242

Answer 3

16 hours

Answer 4

16 Hours

Answer 5

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