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AlekseyPX
3 years ago
15

a girl walks into a store and steals 100 dollars and leaves. she then comes back and uses the same 100 dollar bill to buy 70 dol

lars worth of merchandise , the cashier gives her 30 dollars as change . how much money does the store lose ?
Mathematics
1 answer:
expeople1 [14]3 years ago
5 0
I believe your answer is 60 dollars.
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Answer:

x = 10, y = 0

Step-by-step explanation:

x + 2y = 10

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16y = -3x + 30

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<u>x</u><u> </u><u>=</u><u> </u><u>1</u><u>0</u>

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Answer: 2 bookcases.

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According to the data given, the custodian needs 2 gallons of paint to repaint one bookcase. Since all the bookcases are equal, you can set up the following proportion:

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