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alexandr402 [8]
3 years ago
6

What is the answer to this c=15×+2000 r=35x

Mathematics
1 answer:
Slav-nsk [51]3 years ago
6 0
C=<span>30000
and the other one do u want me to solve for x or r?</span>
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The numerator and denominator of a fraction are in the ratio of 3 to 5. If the numerator and denominator are both increased by 2
ivolga24 [154]

Question:

The numerator and denominator of a fraction are in the ratio of 3 to 5. If the numerator and denominator are both decreased by 2, the fraction is now equal to  \frac{1}{2}.

If n = the numerator and d = the denominator, which of the following systems of equations could be used to solve the problem?

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5n = 3d and 2n – 4 = d – 2

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Let n be the numerator of the fraction and d be the denominator of the fraction.

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Do cross multiplication, we get

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When the numerator and denominator are decreased by 2, the fraction is equal to \frac{1}{2}.

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Do cross multiplication, we get

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⇒ 2n – 4 = d – 2

Hence, 5n = 3d and 2n – 4 = d – 2 can be used to solve the problem.

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Which statement about solving inequalities is true?

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