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Dennis_Churaev [7]
3 years ago
9

Ms. Finch is getting new carpet installed in her living room and hallway. The carpet will not be on the stairs. The cost of inst

allation is $12 per square yard. What is the total area and cost of where the carpet is being installed

Mathematics
1 answer:
Svetlanka [38]3 years ago
3 0

Surface area of a rectangular carpet is Length×width

now [5×2.2] yard =11 yard now it's cost will be 11×12$=132$

Now total surface area of the room excluding the carpet 7 (4.5+1.5) yard= 52 yard Now the total cost will be 52×12$=624$

Now total surface area of the room including the carpet is

(624+132)$=756$.

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

Let "n" be the number

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\text{ Five less than 1/5 times a number } = \frac{1}{5}n - 5 = \frac{5}{n} - 5

\text{Sum of number and 1/3 } = n + \frac{1}{3} =\frac{3n+1}{3}

Given that,

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Therefore, we get,

\frac{n}{5} - 5 = n + \frac{1}{3}\\\\Simplify\ the\ expression\\\\n - 25 = 5(n + \frac{1}{3})\\\\n - 25 = 5n + \frac{5}{3}\\\\n - 25 = \frac{15n + 5}{3}\\\\3n - 75 = 15n + 5\\\\12n = -80\\\\n = -6.67

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Ky buys three tshirts originally priced at 49.96the stores discount applys 7.1 tax
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Answer:

Equation shown

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