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Alik [6]
2 years ago
15

Carla plumbing charges $25 for a service call and $28 per hour, h, for labor for any repair. The total cost , t, for a repair ca

n be calculated using the equation below
Mr Callahan paid a total of $165 for repair. How many hours did it take to complete his repair
Mathematics
1 answer:
Ulleksa [173]2 years ago
4 0

Answer:

It took 5 hours

Step-by-step explanation:

Because 28 times 5 is 140 plus 25 for the call is 165.

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Let Home runs = X

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Doubles would be 3x ( 3 times as many doubles as home runs)

Singles would be 45(x-3) ( 45 times as many singles as triples)

Simplify the equation for singles to be 45x-153

Now you have X + x-3 + 3x + 4x-135 = 262

Simplify:

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Add 138 to both sides:

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Divide both sides by 50:

x = 400/50

x = 8

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Triples = x-3 = 8-3 = 5

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