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29-09-2018
Mathematics

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A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is $16.65. Find the number of each coin

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lijeff017ozuqwt lijeff017ozuqwt

30-09-2018

16.65-9.45=7.20
7.20/.10= 72
9.45-7.20=2.25
2.25/.05= 45

72 dimes
45 nickels

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