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Troyanec [42]
3 years ago
14

What is the average cost of cleaning if there were seperate costs of $1,614.23 $2,196.27, $1,560.58 and $1,392.52

Mathematics
2 answers:
kifflom [539]3 years ago
7 0
The average cost should be 1690.90 dollars.

Hope this helps!
cupoosta [38]3 years ago
5 0
Add them up then divide them by 4.
6763.6/4 = 1690.9 average.
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I need help pleace ​
Whitepunk [10]

Answer

<em>length = width + 15</em>

<em>Area = length * width; area is 54 square feet.</em>

<em>Two equations are:</em>

<em>L = W + 15</em>

<em>L * W = 54</em>

<em>To solve, we substitute first equation into second equation:</em>

<em>(W + 15) * W = 54</em>

<em>w^2 + 15w = 54</em>

<em>w^2 + 15w - 54 = 0</em>

<em>(w+18)(w-3) = 0</em>

<em>w = -18 or 3</em>

<em>The width cannot be negative, so 3 is the width and since length is 15 more than width, length is 18:</em>

<em />

<em>Length = 18 feet</em>

<em>Width = 3 feet</em>

<em />

<em />

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A car goes 60 miles on 2 2/3 Gallons of gas. How many miles will it go with 1 gallon of gas?
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Answer:

Step-by-step explanation:

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