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ddd [48]
2 years ago
12

Plumber A charges $60 an hour. Plumber B charges $40 to visit your home plus $55 for each hour. For how many hours will the tota

l cost for each plumber be the same? How much will that cost be? IDENTIFY THE SOLUTION POINT. HINT: Remember Initial Value = Y-intercept RATE = Slope *
Mathematics
1 answer:
GuDViN [60]2 years ago
6 0

Answer:

8 hours

$480

Step-by-step explanation:

Let us assume the hours be x

There should be two equations

For Plumber A = 60x

For Plumber B = 40 + 55x

Now in order to considered the cost to be the same we equate these two equations

60x = 40 + 55x

5x = 40

x = 8 hours

Now the total cost for plumber A is

= 480

And, the total cost for plumber B is

= 40 + 55(8)

= 480

hence, the total cost is $480

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