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goblinko [34]
2 years ago
11

A computer repairman charged $720 to come visit a business, plus $45 per hour of work. During one week he earned $1,800. How man

y hours did the repairman work in that week?
A. 21
B. 24
C. 39
D. 40
Mathematics
2 answers:
Vilka [71]2 years ago
8 0
He would have worked 24 hours :)
Anvisha [2.4K]2 years ago
6 0

Answer:

24 hours

Step-by-step explanation:

Hi,

The equation to represent this situation would be 45x + 720 = 1800

(45 is the cost per hour, x is the number of hours since you don't know how many hours that person was there for. 720 is there because no matter what, you have to pay 720 to visit and = 1800 is the total cost)

Now, solve for x.

45x + 720 = 1800

Subtract 720 on both sides...

45x = 1080

Divide by 45 on both sides...

x = 24

He worked 24 hours that week.

Hope this helps :)

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