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OpenStudy (anonymous):

the coins in the store's cash register total of $4.00. the cash register contains only nickles,dimes, and quarters. There is an equal number of each coin. How many dimes are in the cash register?

OpenStudy (nurali):

Let the number of each coin = x .05x+.10x+.25x=4.00 .4x=4.00 x=10 dimes are in the cash register.

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