SOLUTION: Gaby's piggy bank contains quarter and nickel worth $6.75. If she has 51 coins in​ all, how many of each does she​ have?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: Gaby's piggy bank contains quarter and nickel worth $6.75. If she has 51 coins in​ all, how many of each does she​ have?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1060208:
Gaby's piggy bank contains quarter and nickel worth $6.75. If she has 51 coins in​ all, how many of each does she​ have?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
25Q%2B5N=675
1.5Q%2BN=135
.
.
2.Q%2BN=51
Subtract 2 from 1,
5Q%2BN-Q-N=135-51
4Q=84
Q=21
So then,
21%2BN=51
N=30