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BigorU [14]
3 years ago
9

Solve and explain. Sue orders pictures from her photographer. Each picture costs $8. A one-time shipping fee of $7 is added to t

he cost of every order. The total cost of Sue’s order is $31. How many pictures did Sue order?
Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

3 pictures

Step-by-step explanation:

Please see the attached pictures for the full solution.

☆ Since the shipping fee is a one-time fee, for an order, Sue only pays $7 once and the rest of the cost would be due to the number of pictures she ordered.

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During the spring you do yard cleanup for households and you also paint houses you earn $8 an hour cleaning up and $12 an hour p
Andre45 [30]

Answer: you spent 250 hours during your cleanup.

you spent 150 hours painting

Step-by-step explanation:

Let x represent the number of hours that you spent during your cleanup.

Let y represent the number of hours that you spent painting.

you earn $8 an hour cleaning up and $12 an hour painting last summer and you earned $3800 . it means that

8x + 12y = 3800- - - - - - - - - -- 1

You worked a total of 400 hours. This means that

x + y = 400

Substituting x = 400 - y into equation 1, it becomes

8(400 - y) + 12y = 3800

3200 - 8y + 12y = 3800

- 8y + 12y = 3800 - 3200

4y = 600

y = 600/4 = 150 hours

Substituting y = 150 into x = 400 - y, it becomes

x = 400 - 150

x = 250 hours

5 0
3 years ago
In the equation x+12=30 does x=16 explain your answer
denpristay [2]
No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18
4 0
3 years ago
Please show the steps to-
lord [1]

Answer:

81×2=162

Step-by-step explanation:

81+81=162

you can add or do out the multiplication. or even do it in your head.

5 0
4 years ago
Read 2 more answers
the twelve inch square tiles are shipped in boxes of sixteen pieces per box. each of the boxes weighs twenty four pounds. approx
k0ka [10]

Answer:

1.411764706

Step-by-step explanation:

24/17=1.411764706

7 0
4 years ago
What is the inverse function of y=2x-6
icang [17]
X=2y-6

Let's solve for y.

<span>x=<span><span>2y</span>−6

</span></span>Step 1: Flip the equation.

<span><span><span>2y</span>−6</span>=x

</span>Step 2: Add 6 to both sides.

<span><span><span><span>2y</span>−6</span>+6</span>=<span>x+6

</span></span><span><span>2y</span>=<span>x+6

</span></span>Step 3: Divide both sides by 2.

<span><span><span>2y/</span>2</span>=<span><span>x+6/</span>2

</span></span><span>y=<span><span><span>12</span>x</span>+3

</span></span>Answer: y=12x+3
3 0
4 years ago
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