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s344n2d4d5 [400]
3 years ago
15

Find the ratio of x to y if 7/x = 5/y. Help me!!!!

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0
7/x = 5/y
Can be changed to:
5x = 7y
So, x = (7/5)y and
y = (5/7)x

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after adding 2 letters into the 1st set:
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I went to Half Priced Books and purchased 15 books. I paid $2 each for some and $3 each for the rest of the books. How many $2 b
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Answer:

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Step-by-step explanation:

The number of the book purchased = 15 books

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The prices of books are $2 and $3.

Let the number of books purchased at price  $2 = x

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