SOLUTION: Reyna has $2.20 in nickels and quarters altogether she has 20 coins. How many nickels does she have?

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Question 1129222: Reyna has $2.20 in nickels and quarters altogether she has 20 coins. How many nickels does she have?

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
n nickels
20-n quarters

5n%2B25%2820-n%29=220
-
n%2B5%2820-n%29=44
n%2B100-5n=44
-4n=44-100
-n=11-25
highlight%28n=14%29