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Mathematics, 19.06.2020 03:57 MrConman8460

Janet has three times as many dimes as nickels and twice as many quarters as nickels. If she has $3.40 in all, how many nickels, dimes, and quarters does she have?
If n represents the number of nickels Janet has, which of the following equations could be used to solve the problem?
5n+ 10n +25n - 340
n+3n+2n =340
5n+ 30n+50n =340

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