SOLUTION: Shannon had three times as many quarters as nickels. She had $2.40 in all. How many quarters did she have?

Question 264424: Shannon had three times as many quarters as nickels. She had $2.40 in all. How many quarters did she have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Shannon had three times as many quarters as nickels. She had $2.40 in all. How many quarters did she have?
---
Equations:
q = 3n
5n + 25q = 240
----
Substitute for q and solve for n:
5n + 25(3n) = 240
5n + 75n = 240
80n = 240
n = 3 (number of nickels)
----
Since q = 3n, q = 9 (number of quarters)
=========
Cheers,
Stan H.
RELATED QUESTIONS
Shannon had three times as many quarters as nickels. She had $2.40 in all. How many... (answered by josmiceli)

Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels (answered by stanbon)

Peggy had four times as many quarters as nickels. She had $2.10 in all. How many nickels... (answered by stanbon)

Patty had four times as many quarters as nickles she had $12.60 in all. How many nickles... (answered by josmiceli)

Mark had 3 times as many quarters as nickels. He had $1.60 in all. How many... (answered by MathLover1,checkley79)

Jenna's pockets were heavy with coins. She had three times as many dimes as quarters, and (answered by CubeyThePenguin)

Mina had 34 nickels and quarters totaling $4.10. she had two less than twice as many as... (answered by rapaljer)

Susie had 7 less than 3 times as many dimes as quarters. She had 14 dimes. how many... (answered by CubeyThePenguin)

Kelly had two times as many quarters as dimes she has 18 quarters how many dimes does she (answered by josgarithmetic)