mbeyanate mbeyanate

24-01-2020
Mathematics

contestada

guy is pouring a new patio for his house.
He rents a concrete mixer for $50 per day plus $12.50 per hour. If he is charged $143.75, how long did guy have the concrete mixer?

Respuesta :

texaschic101 texaschic101

24-01-2020

Answer:

Step-by-step explanation:

50 + 12.50h = 143.75....where h = # of hrs

12.50h = 143.75 - 50

12.50h = 93.75

h = 93.75 / 12.50

h = 7.5 (or 7 1/2) hrs <====

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