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Mathematics, 09.10.2020 21:01 brooklyn4682

A boy has 11 coins in dimes and quarters. Their value is $1.70. How many of each does he have? Which of the following equations could be used to solve the problem?
0.10x +0.25/11 - x) = 1.70
25x + 10(11 - x) = 170
x+ (11 - x) = 1.70

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