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Ilya [14]
3 years ago
12

juan worked 2.5 hours each day from monday through friday plus 7.5 hours on saturday. his total pay was 128 dollars. how much di

d he earn per hour?
Mathematics
1 answer:
Lyrx [107]3 years ago
4 0
Juan earned $6.40 per hour. Because he worked 12.5 hours monday through friday plus the extra 7.5 hours on saturday which equals 20. And 128 divided by 20 is 6.40
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laila [671]

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Answer:  \textsf{n = -11}

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Given:  \textsf{-19 = -8 + n}

Find:  \textsf{Solve for n}

Solution: In order to solve for n we need to add 8 to both sides which would cancel -8 on the right side and isolate n giving us the value of n.

<u>Add 8 to both sides</u>

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Therefore, the final answer would be that n is equal to -11.

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Ipatiy [6.2K]

Answer:

<h2>C. <em>20,160</em></h2>

Step-by-step explanation:

This question bothers on permutation since we are to select a some people out of a group of people and then arrange in a straight line. If r object are to be arranged in a straight line when selecting them from n pool of objects. This can be done in nPr number of ways.

nPr = n!/(n-r)!

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8P6 = 8!/(8-6)!

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8P6 = 20,160

<em>Hence this can be done in 20,160 number of ways</em>

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3.6 x 10^6

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