SOLUTION: Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how many dimes do you have?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how many dimes do you have?      Log On


   

Question 784758: Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how many dimes do you have?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
Let d = dimes
Let q = quarters
d + q = 46
0.10d + 0.25q = 7.00
Solve the above system of linear equations using the substitution method.
You can finish.