SOLUTION: i have a jar containing 60 coins all of which are either quarters or nickels. the total value of the coins in the jar is $9.20. How many of each type of coin do i have?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: i have a jar containing 60 coins all of which are either quarters or nickels. the total value of the coins in the jar is $9.20. How many of each type of coin do i have?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 443931: i have a jar containing 60 coins all of which are either quarters or nickels. the total value of the coins in the jar is $9.20. How many of each type of coin do i have?
Answer by chriswen(106) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the number of quarters.
Let 60-x be the number of nickels.
...
25x+5(60-x)=920
The 25 and 5 is for the value of the coins (25 cents and 5 cents)
25x+300-5x=920
20x=920-300
20x=620
x=31
60-x=29
...
Therefore, there are 31 quarters and 29 nickels in the jar.