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ElenaW [278]
4 years ago
9

mrs. Johnson just purchased a total of 12 books and magazines for her office the total bill was $112 she spent $16 on magazines

in the books cost $12 each how many books did she buy
Mathematics
1 answer:
Arturiano [62]4 years ago
6 0
$112-$16=$96
$96/$12=8
She bought 8 books
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Josh has five more dimes than quarters in his pocket. The total amount of money he has is $3.30. How many of each coin does he h
professor190 [17]
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4 years ago
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3 years ago
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frosja888 [35]

Answer:

y = \frac{5x}{2} - 5

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From the equation given  5x - 2y = 10, we will make y the subject of the formula as shown;

5x - 2y = 10\\\\subtract \ 5x \ from \ both \ sides\\\\5x - 2y - 5x = 10 - 5x\\\\-2y = 10-5x\\\\Dividing \ both \ sides\ by  \ -2;\\\\\frac{-2y}{-2} = \frac{10-5x}{-2}\\  \\

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3 years ago
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klasskru [66]

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12 + 6.3 = 18.3

8 0
3 years ago
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