SOLUTION: Jenna's pockets were heavy with coins. She had three times as many dimes as quarters, and 2 less nickels than dimes. If she had a total of $6.20, how many of each type of coin did

Question 1001805: Jenna's pockets were heavy with coins. She had three times as many dimes as quarters, and 2 less nickels than dimes. If she had a total of $6.20, how many of each type of coin did she have?
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
n = number of nickels
d = number of dimes
q = number of quarters

q = 3d
n = d - 2
5n + 10d + 25q = 620

Write everything in terms of d.

5(d - 2) + 10d + 25(3d) = 620
5d - 10 + 10d + 75d = 620
90d = 630
d = 7

There were 5 nickels, 7 dimes, and 21 quarters.
RELATED QUESTIONS
josie has twice as many nickels as dimes and five less quarters than dimes. if she had a... (answered by ben720)

Mary has $5.00 in nickels, dimes, and quarters. If she has twice as many dimes as... (answered by ankor@dixie-net.com)

Please answer this one please Linda has some dimes nickels and quarters in her purse.... (answered by stanbon)

Linda has $1.85 in quarters, nickels, and dimes. If she has three times as many dimes as (answered by ankor@dixie-net.com,nycsharkman)

When Jai emptied her piggy bank, there were nickels, dimes, and quarters. There were 2... (answered by josgarithmetic,MathTherapy,ikleyn)

Sara has a collection of nickels, dimes and quarters worth $30.75. she has 15 more dimes... (answered by mananth)

Mary has $3.00 nickels, dimes and quarters. If she has twice as many as dimes as quarters (answered by richwmiller)

Tina�s bank contains quarters, nickels and dimes. She has three more dimes than quarters... (answered by Alan3354)

Mary has $3.00 in nickels, dimes, and quarters. If she has twice as many dimes as... (answered by bubblz190)