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alexira [117]
3 years ago
10

How do you do this? It's geometry

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
45.

12/18 = 8/x <=> 2/3 = 8/x <=> x = (3*8)/2 = 12;
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vekshin1
<h3>Answer: $44.10</h3>

====================================================

Work Shown:

5% = 5/100 = 0.05

5% of 42 = 0.05*42 = 2.10

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total cost including tax = $42 + $2.10 = $44.10

----------

An alternative is to multiply 42 by 1.05 to get

1.05*42 = 44.10

We get the same answer. The 1.05 refers to 1 + 0.05 where the "1" is 100% and the 0.05 is 5%, so the two combine to 105%, meaning the total cost is 105% of the cost before tax is considered.

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Step-by-step explanation: :)

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2 years ago
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Least to greatest 52, 63, 55, 56, 62, 54, 59, 60, 53, 61, 88
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