shellingten shellingten

23-09-2021
Mathematics

contestada

10. Mac the plumber charges $80 for a house call plus
$35 per hour. Jack, the other plumber, charges $55
per hour. How many hours would a job have to take
for the cost to be equal

Respuesta :

tornado247zls tornado247zls

24-09-2021

Answer:

4 hours

Step-by-step explanation:

55h = 80 + 35h

55h - 35h = 80 + 35h - 35h

20h = 80

20h/20 = 80/20

h = 4

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