SOLUTION: I have a bag containing coins of dimes and quarters. There are 53 coins in total and the price of all the coins are 11,15$. How many quarters and dimes are there?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: I have a bag containing coins of dimes and quarters. There are 53 coins in total and the price of all the coins are 11,15$. How many quarters and dimes are there?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1087019: I have a bag containing coins of dimes and quarters. There are 53 coins in total and the price of all the coins are 11,15$. How many quarters and dimes are there?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.D%2BQ=53
and
10D%2B25Q=1115
2.2D%2B5Q=223
From 1,
2D%2B2Q=106
Subtract this from 2,
2D%2B5Q-2D-2Q=223-106
3Q=117
Solve for Q then use either equation to solve for D.