SOLUTION: A coin purse has 20 coins consisting of dimes and nickles. It totals $1.40. How many nickles are there?
Algebra.Com
Question 333724: A coin purse has 20 coins consisting of dimes and nickles. It totals $1.40. How many nickles are there?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let dimes be x
the nickels will be 20-x
..
total value = 140 cents
..
VALUE
10x+5(20-x)=140
10x+100-5x=140
5x=140-100
5x=40
x= 40/5
x= 8 dimes
nickels = 20-8=12
RELATED QUESTIONS
there are nickles, dimes, and quarters in a small piggy bank. It totals $3.40 consisting... (answered by ewatrrr)
There are 44 coins in a purse that contains nickles, dimes, and quarters. There are twice (answered by ankor@dixie-net.com,ikleyn,MathTherapy)
A PURSE CONTAINS $2.45 IN NICKLES AND DIMES. IF THERE ARE 32 COINS ALL TOGETHER USE... (answered by Fombitz,ewatrrr)
Marlin coin bank has 31 coins consisting of nickles and quarters, worth $6.75. How many... (answered by ikleyn,greenestamps)
there are 18 coins consisting nickles and dimes the total is 1.25 how many nickles and... (answered by ewatrrr)
John collects coins. He has 51 coins, consisting of dimes and nickles, that are worth... (answered by macston)
If a person has dimes and nickles equaling $2.85 and there are 12 more nickles than dimes (answered by fractalier)
liviana has $ 2.20 in coins in her change purse. if there is a total of 15 coins how... (answered by josmiceli)
In a purse is $3.05 in nickels and dimes, 19 more nickles than dimes. How many coins are... (answered by mananth)