Posted by **kathryn** on Saturday, April 20, 2013 at 5:54pm.

1. Ms.lynch has 21 coins in nickels and dimes. Their total value is $1.65. How many of each coin does she have?

2. A vending machine that takes only dimes and quarters contains 30 coins, with a total value of $4.20. How many of each coin are there?

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