SOLUTION: One fourth of Sue's coins are quarters and the rest are nickels. If the total value of the coins is $7.20, how many of each type does she have?
Algebra.Com
Question 915626: One fourth of Sue's coins are quarters and the rest are nickels. If the total value of the coins is $7.20, how many of each type does she have?
Answer by JoelSchwartz(130) (Show Source): You can put this solution on YOUR website!
t=toal number of coins
n=number of nickels in the total number of coins
q=number of quarters in the total number of coins
1/4t=q
3/4t=n
.05*3/4t+.25*1/4t=7.2
.0375t+.0625t=7.2
1/10t=7.2
t=72
q=.25*72
q=18
n=3/4*72
54=n
RELATED QUESTIONS
One eighth of Emilia's coins are quarters and the rest are nickels. If the total value of (answered by fractalier)
A bag contains 39 coins, all nickels and quarters. The total value of the coins in the... (answered by MathLover1)
There are 223 coins total of quarters, dimes, and nickels. The total value of the coins... (answered by josmiceli,JBarnum)
In a collection of nickels and quarters, there are 12 coins. The total value of the... (answered by josgarithmetic)
There is a total of 65 coins they are nickels and quarters the total value of coins is... (answered by ikleyn)
A soda Machine contains 20 coins. Some of the coins are nickels and the rest are... (answered by stanbon)
You have 73 coins consisting of nickels and quarters. the coins total $11.45. How many... (answered by Alan3354)
Cookie has 97 coins in her collection – all either nickels, dimes or quarters. If 77 of... (answered by Edwin McCravy)
In a coin collection there are Nickels, Dimes, and Quarters. If the total number of coins (answered by stanbon)