SOLUTION: Elizabeth had 3 times the number of quarters (25 cents) in her bag than dimes (10 cents).
a. If she had a total of 72 coins, how many of them were quarters?
b. What was the t
Algebra.Com
Question 992579: Elizabeth had 3 times the number of quarters (25 cents) in her bag than dimes (10 cents).
a. If she had a total of 72 coins, how many of them were quarters?
b. What was the total dollar value of these coins?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
D=number of dimes; Q=number of quarters=3D; T=total value
.
D+Q=72
D+3D=72
4D=72
D=18
There were 18 dimes
Q=3D=3(18)=54
ANSWER (a): There were 54 quarters.
.
T=$0.10(D)+$0.25(Q)
T=$0.10(18)+$0.25(54)
T=$1.80+$13.50
T=$15.30
ANSWER (b): The value of the coins was $15.30
RELATED QUESTIONS
Samuel had 3 times the number of quarters (25 cents) in his bag than dimes (10 cents).... (answered by Alan3354)
a bag contains 160 coins, there are coins of 10 and 25 cents. find the number of coin of... (answered by fractalier)
A coin purse contains 5 cents, 10 cents and 25 cents coins. The number of 10 cents-coins... (answered by ikleyn)
A coin collector had a collection of coins worth 205. There were five times as many 25... (answered by mananth)
When a child emptied her coin bank, she had a collection of pennies, nickels, and dimes.... (answered by math_helper)
May has Php 7.50 in 10 cents and 25 cents coins.The number of 25 cents coins is n.If the... (answered by addingup)
Okay, so I have a word problem that I need some help with I've already tried a few things (answered by MathTherapy,KMST)
ECE Board November 1999/2000 In a box, there are 25 coins consisting of quarter, nickels... (answered by ankor@dixie-net.com)
A has P5.35 in 5 cents,10 cents and 25 cents. The number of 10 cents coins is one more... (answered by josgarithmetic)