Mathematics, 15.04.2021 22:30 lace64

Joe has a collection of nickels and dimes that is worth $5.95. If the number of dimes were doubled and the number of nickels were increased by 9, the value of the coins
would be $10.80. How many dimes does he have?

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Joe has a collection of nickels and dimes that is worth $5.95. If the number of dimes were doubled...