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Lubov Fominskaja [6]
3 years ago
12

Which ratio is not equivalent to the other three 2/3 12/15 6/9 or 18/37

Mathematics
1 answer:
Kryger [21]3 years ago
6 0
Last one because it should be 18:36 -JZ
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In a pile of coins there are 7 more quarters than nickels. If there is a total of$2.65 in coins, how many quarters are there?
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<span>A quarter is equivalent to 25 cents or $0.25 and a nickel is equal to 5 cents or $0.05. In the given in this item, if there are x nickels then, there are x + 7 quarters. With these and the total amount known, we can now compute for the value of x.
                 (x)(0.05) + (x + 7)(0.25) = 2.65
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             0.05x + 0.25x + 1.75 = 2.65
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Answer:

the correct answer is 4 and 21

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