Ike has some nickels and dimes amounting to $2.90. The number of dimes is 1 less than twice the number of nickels. How many coins of each kind does he have?

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x = number of dimes y = number of nickles x = 2y - 1 10x + 5y = 290 10(2y - 1) + 5y = 290 25y - 10 = 290 25y = 300 y = 12 x = 23

Expert answered|jeifunk|Points 6446|

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Asked 9/13/2012 11:30:14 AM

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