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xxMikexx [17]
3 years ago
9

an electrician charges a fee of 80$to make a call he also charges 50$per hour f labor write an equation that you could use to fi

nd the amount an electrician charges for a house call based on the number of hours of labor
Mathematics
1 answer:
Scrat [10]3 years ago
6 0

Answer:

80+50f

Step-by-step explanation:

f= hours of labor. Your equation should be 80+50f

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Carol has 88cm of string and cuts it in the ratio 5 : 6. How much longer is the
CaHeK987 [17]

Given:

Carol has 88cm of string and cuts it in the ratio 5 : 6.

To find:

How much longer is the longest piece compared to the shortest piece.

Solution:

Let the lengths of two pieces of string are 5x and 6x. Then,

5x+6x=88

11x=88

x=\dfrac{88}{11}

x=8

Now, the lengths of pieces are:

5x=5(8)

5x=40

And,

6x=6(8)

6x=48

The difference between the longer piece and shorter piece is:

48-40=8

Therefore, the longer piece is 8 m longer than the shorter piece.

6 0
2 years ago
Sean operates a lawn-cutting business. He charges $15 for a single lawn and $25 for a front and back lawn. Sean made $475 from 2
topjm [15]

The system of equations that models the given situation is given as follows:

  • x + y = 25.
  • 15x + 25y = 475.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are given as follows:

  • Variable x: Number of single lawns cut.
  • Variable y: Number of front and back lawns cut.

He had 25 customers, hence:

x + y = 25.

He charges $15 for a single lawn and $25 for a front and back lawn, and made a total of $475, hence:

15x + 25y = 475

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

3 0
1 year ago
armando save 30% of his monthly paycheck for college he are in $450 last month how much money did armando save for college
adelina 88 [10]

Answer:

So basically im not 100% sure but from what i know about this i think the answer would be $135

3 0
3 years ago
Jack invested $7,100 in an account paying an interest rate of
mars1129 [50]
Second one 3,3,8,3,8,3
8 0
3 years ago
Noah has a coupon for 30% off at his favorite clothing
inn [45]

Answer:

<h3>$21.54</h3><h3 />

Step-by-step explanation:

price paid    = regular price ( 1 + coupon in percent)

             $28 = regular price x (1.3)

regular price = $28 / 1.3

                     = $21.54

           

3 0
2 years ago
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