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Dovator [93]
3 years ago
15

Two plumbers charge and initial fee and an hourly rate. The equation y = 100 + 30.0 models plumber A's fee, where y is the total

charge, in dollars, and x is the number of hours worked. The table shown represents plumber B's total charge for different number of hours. Plumber B Hours Total Charges (5) 105 2 그 160 2 215 Which statement about the plurnbers' charges is true?​
Mathematics
1 answer:
Ivahew [28]3 years ago
6 0

Answer:

I will go with b the total charges

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ryzh [129]

Since, the fundraiser only have three prices for books($2, $5 and $10), the number of $5 book that was sold is 12.

<h3>How to form equation and solve ?</h3>

The fundraiser only have 3 prices for books which are $2, $5 and $10.

There were 6 more $5 books sold than $10 books sold.

Let

x = number of $10 book sold

Therefore,

number of  $5 books sold = x + 6

There are 8 more $2 book sold than $10 book sold. Therefore,

number of  $2 books sold = x + 8

A total of $250 was raised.

Therefore, the total amount sold forms the following equation:

10x + 5(x + 6) + 2(x + 8) = 250

10x + 5x + 30 + 2x + 16 = 250

17x = 250 - 30 - 16

17x  = 204

x = 204 / 17

x = 12

learn more on equation here: brainly.com/question/27361014

4 0
2 years ago
A fabric store has 80 3/8 yards of a particular fabric. About how many pairs of curtains could be made from this fabric if each
Keith_Richards [23]
20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
4 0
3 years ago
Solve: 3,125 = 5-10 + 3x<br> DONE
Naddika [18.5K]

Answer:

x=3130/3

Step-by-step explanation:

3,125 = 5-10 + 3x

5-10+3x=3125

3x-5=3125

3x-5+5=3125+5

3x=3130

3x/3 = 3130/3

x=3130/3

I hope this helps!

5 0
3 years ago
Marco borrowed $150 from his brother. He had paid back 30% so far. How much money does Marco still owe his brother?
worty [1.4K]

Answer:

He still owes $105

Step-by-step explanation:

First, we have to find how much money Marco had paid back.

We are going to find the percentage of the number:

\frac{150 * 30}{100} = 45

Then, doing a simple mathematical subtraction we can find how much money he still owes to his brother:

150 - 45 = 105


5 0
3 years ago
Paula bought a 5-pound bag of granola. She plans to use equal amounts of granola to make 10 bags of trail mix and add the remain
jeka57 [31]

Given function: P(x) = -10x + 80.

Where function represents the amount of granola, in ounces and x represents the number of ounces Paula puts in each bag.

Range of the function is the values of the function we would get.

That is the amount of granola in ounces for different x values.

For x=0 the number of ounces would be -10(0)+80 = 80.

And for x=8, it would be -10(8) + 80 = 0.

But even we could take decimal values too.

Like x=0.5 ounces, x=0.55 ounces etc.

And that 0.55 would give a decimal value.

Therefore,<em> we can take any real number for x between 0 and 8.</em>

But we need to find the range.

So, the range would be between 0 and 80 and it could be any real number.

Therefore, correct option is :

C. all real numbers between and including 0 and 80.

5 0
3 years ago
Read 2 more answers
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