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zhannawk [14.2K]
3 years ago
14

Sarah paints a straight line. The line is 13 1/2 ft long. She wants to divide the line into sections that are each 18 ft long.

Mathematics
1 answer:
Nookie1986 [14]3 years ago
6 0

The number of sections made is \frac{3}{4}

<em><u>Solution:</u></em>

Given that, Sarah paints a straight line

The line is 13\frac{1}{2} feet

She wants to divide the line into sections that are each 18 ft long

To find: Number of sections

From given,

\text{Length of line } = 13\frac{1}{2} = 13.5 \text{ feet }

\text{Length of 1 section } = 18 \text{ feet }

Number of sections can be found by dividing the total length of line by length of 1 section

\text{Number of sections } = \frac{\text{Total length of line}}{\text{length of 1 section}}

Substituting the values, we get,

\text{Number of sections } = \frac{13.5}{18} = 0.75 = \frac{3}{4}

Thus number of sections made is \frac{3}{4}

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Answer:

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Step-by-step explanation:

From the information given, you can say that the sum of pancakes and waffles is equal to 300:

x+y=300

Also, the statement indicates that she charges $3 per pancake, $1 per waffle, and made a total of $800 and you can express this as:

3x+y=800

You have the following equations:

x+y=300 (1)

3x+y=800 (2), where:

x is the number of pancakes she sold

y is the number of waffles she sold

Now, you can solve for x in (1):

x=300-y (3)

Then, you can replace (3) in (2):

3(300-y)+y=800

900-3y+y=800

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y=100/2

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Finally, you can replace the value of y in (3) to find x:

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x=250

According to this, the answer is that Mandy sold 250 pancakes and 50 waffles.

5 0
2 years ago
Solve the inequality.<br><br> 2(4x – 3) ≥ –3(3x) + 5x?
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3 years ago
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Answer:

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Answer:

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Step-by-step explanation:

Let the number be A

Given if you divide the sum of six and the number A by 3 , the result is 4 more than 1/4 of A

That’s

6+A/3 = 4+1/4 of A

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Cross multiply

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6 0
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Answer:

Step-by-step explanation:

20.70/90= 0.23 per foot

30*.23= 6.90

It'll cost $6.90 for 30 more feet.

3 0
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