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ycow [4]
3 years ago
7

You are at the music store to buy some CDs. You have $45 to spend and the store sells CDs for $12.99 each.

Mathematics
1 answer:
stealth61 [152]3 years ago
8 0
$45>(or equal to)$12.99n   you can spend less then or equal to forty five dollars without going into debt.
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Rita makes and sells necklaces. The materials to make each necklace cost $2.75. Last week she made 8 necklaces and wants to make
Tresset [83]

Answer:

The error she made was that she was adding x and 2.75. She should subtract 2.75 from x.

Another mistake that she made was that she sold each for $7 assuming that she would make a profit of 78, but she should see each necklace for $12.5 so that she could make a profit of $78.

Step-by-step explanation:

The error she made was that she was adding x and 2.75.

She should write the equation as 8 (x - 2.75) = 78; as she spends $2.75 to make a necklace.

By using the correct equation: 8 (x - 2.75) = 78

=> 8x - 22 = 78

=> 8x = 78 + 22

=> 8x = 100

=> x = 100/8

=> x = 12.5

Another mistake that she made was that she sold each for $7 assuming that she would make a profit of 78, but she should see each necklace for $12.5 so that she could make a profit of $78.

Hope this helps you.

3 0
2 years ago
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Given

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or, 6x = 4

or, x = 4/ 6

Therefore x = 2 /3

Hope it will help :)❤

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Your answer is 0.6%.
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The answer should be C.

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