Mathematics, 11.10.2020 15:01 rocky8875

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

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A boy has 11 coins in dimes and quarters. Their value is $1.70. How many of each does he have? Whic...