SOLUTION: Theresa has $1.75 in quarters and nickles. If she has 15 coins total, how many quarters does she have?

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Question 465701: Theresa has $1.75 in quarters and nickles. If she has 15 coins total, how many quarters does she have?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
q+n=15
25q+5n=175
5q+5n=75
20q=100
q=5
n=10
Theresa has 10 nickels and 5 dimes..