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ollegr [7]
3 years ago
5

A package of paper weighs 3\frac{4}{6} ounces. If Edward put 3\frac{1}{2} packages of paper on a scale, how much would they weig

h?
Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

They would weight 1\frac{1}{21} ounces

Step-by-step explanation:

Weight of complete package of paper = 3 \frac{4}{6} ounces

Weight of complete package of paper =\frac{22}{6}ounces

Edward put3\frac{1}{2} packages of paper on a scale

So, Weight of 3\frac{1}{2} packages   = \frac{\frac{22}{6}}{3\frac{1}{2}}

Weight of 3\frac{1}{2} packages = \frac{\frac{22}{6}}{\frac{7}{2}}

Weight of 3\frac{1}{2} packages =\frac{22}{21}=1\frac{1}{21}

Hence They would weight 1\frac{1}{21} ounces

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The number of books sold is 473.

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The profit of one book = Selling price - Original price

Let,

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Therefore, the equation is formed as

total Profit = 0.75y - 0.64x

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Substitute x= 100+y in the eq(1),

0.75y - 0.64(100+y) = -12

0.75y - 64 -0.64y = -12

0.11y = -12 +64

y = 52 / 0.11

y = 472.7

y ≅ 473

The number of book sold is 473 books.

The total number of books is (100+473) = 573 books.

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