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myrzilka [38]
3 years ago
9

Some plumbers charge a base rate plus an hourly rate for their services. The rates of two plumbers are shown in the table.

Mathematics
1 answer:
Andrew [12]3 years ago
4 0
Hi! Plumber A - Base Rate = $35.00 and Hourly = $15.00
Plumber B - Base Rate = $40.00 and Hourly = $12.00

$35.00 + $15.00 + $15.00 = $65
$40.00 + 12.00 + $12.00 = $64

Plumber A become more expensive than Plumber B after two hours.
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A washer and a dryer cost $857 combined. The washer costs $93 less than the dryer. What is the cost of the dryer?
Lelechka [254]

Answer:

Dryer cost $475;  Washer cost $382

Step-by-step explanation:

For this problem, we will simply set up a system of equations to find the value of each the washer (variable x) and the dryer (variable y).

We are given the washer and dryer cost $857 together.

x + y = 857

We are also given that the washer cost $93 less than the dryer.

x = y - 93

So to find the cost of the dryer, we simply need to find the value of y.

x + y = 857

x = y - 93

( y - 93 ) + y = 857

2y - 93 = 857

2y = 950

y = 475

So now we have the value of the dry to be $475.  We can check this by simply plugging in the value and see if it makes sense.

x + y = 857

x + 475 = 857

x = 382

And check this value:

x = y - 93

382 ?= 475 - 93

382 == 382

Therefore, we have found the values of both the washer and the dryer.

Cheers.

6 0
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