Homework Help: math

Posted by rebecca black on Monday, November 5, 2012 at 8:38pm.

aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of the coins is $4.05. Find the number of each type of coin.

math - Steve, Monday, November 5, 2012 at 9:18pm
10x + 5(52-x) = 405
x = 29

so, 29 dimes, 23 nickels

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