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Andreas93 [3]
2 years ago
11

During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe

r. How many pages per night is Tori averaging now?
Mathematics
1 answer:
STatiana [176]2 years ago
8 0

Answer: 38 pages per night

Step-by-step explanation:

Tori used to read an average of 40 pages per night but now she is going at a rate that is 5% slower.

To find the number of pages she is reading now, first find 5% of 40 pages:

= 5% * 40

= 2

Then subtract this figure from 40:

= 40 - 2

= 38 pages per night

<em>By deducting 5% from the reading quantity, the person is reading at 5% less. </em>

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Solve the system of equations 7x+10y=36 y=2x+9
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Answer:

x = -2

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Step-by-step explanation:

Given two equations

1. 7x + 10y = 36

2. y = 2x + 9

Substitute 2x + 9 for y in equation 1.

We have

7x + 10y = 36

7x + 10(2x + 9) = 36

Distribute 10 into (2x + 9)

We have

7x + 10 x 2x + 10 x 9 = 36

7x + 20x + 90 = 36

27x + 90 = 36

Subtract 90 from both sides to eliminate 90 on the left side

27x + 90 - 90 = 36 - 90

27x = -54

Divide both sides by 27 to isolate x

27x/27 = -54/27

x = -2

Now substitute -2 into either equation to get y

Using equation 2, we have

y = 2x + 9

= 2 x -2 + 9

= -4 + 9

= 5

x = -2

y = 5

Check

7(-2) + 10(5) = 36

5 0
3 years ago
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Answer:

A

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

Given

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