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? x + (11 - x) = 1.70. 25x + 10 (11 - x) = 1.70. 0.10x + 0.25 (11 - x) = 1.70
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