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1 vote
A moving company charges $840 plus $17 per hour. Another moving company charges $760 plus $22 per hour.how long is job that costs the same no matter wich company is used

1 Answer

5 votes
1. Make an equation.
Moving company #1: y = 17x + 840
Moving company #2: y = 22x + 760

2. Put the equations together and solve
17x + 840 = 22x + 760
-17x -17x
840 = 5x + 760
-760 -760
80 = 5x
5 5
16 = x

When a job is 16 hours they both charge the same thing.
User Neil Essy
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