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Nonamiya [84]
2 years ago
5

Brianna bought a total of 8 notebooks and got 16 free pens

Mathematics
1 answer:
Lena [83]2 years ago
3 0

Answer: 1:2

Step-by-step explanation:

Well, if you're asking for the ratio, it is 1:2

For every 1 notebook bought, there would be 2 free pens.

Since she bought 8 notebooks, just multiply 2 by 8 which will result in 16.

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Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o
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Option D. 96 is the correct answer.

Explanation:

Let the higher grade be = x

Let the lower grade be = y

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x-y=16 or x=16+y   .... (1)

The sum of one-eighth of the higher grade and one-half of the lower grade is 52.

\frac{1x}{8}+\frac{1y}{2}=52   ... (2)

Putting the value of x=16+y in equation (2)

\frac{16+y}{8}+\frac{y}{2}=52

\frac{16+y+4y}{8}=52

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As x=16+y

x=16+80 = 96

Hence, higher grade is 96.


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3 years ago
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