SOLUTION: Shankar saved nickles and dimes until he had $.55. He paid with 8 coins. How many of each kind of coin did he have? This must be written out as how you solved it.

Question 176739: Shankar saved nickles and dimes until he had $.55. He paid with 8 coins. How many of each kind of coin did he have? This must be written out as how you solved it.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
let n and d be the number of nickels and dime shankar saved respectively
:
n+d=8..........eq 1
.05n+.1d=.55...eq 2
:
lets re write eq 1 to n=8-d and take that value and plug it into eq 2
:
.05(8-d)+.1d=.55
:
.4-.05d+.1d=.55
:
.05d=.15
:
dimes
:
.....nickels
RELATED QUESTIONS
Jonathan saved nickles and quarters. he had a total of twenty coins whose value was... (answered by zoomkaboom4,Alan3354)

a man has a collection of dimes and nickles with a total value of $1.70. if he has 8 more (answered by ewatrrr)

Joe saved a number of nickels,dimes, and quarters. He had 3 more dimes than nickels. He... (answered by MathLover1)

Reggie's younger brother had several coins when he returned from his paper route. He has... (answered by macston)

John collects coins. He has 51 coins, consisting of dimes and nickles, that are worth... (answered by macston)

john has 31 coins consisting of quarters,dimes, and nickles. if he had one more dime, he... (answered by lwsshak3)

Josiah has three less than twice as many nickles as dimes. If the total value of hsi... (answered by oberobic)

Angel was counting the coins in his bank. He found that he had 70 coins, which totaled... (answered by Edwin McCravy,Cromlix)

bennys collection of nickles and dimes is worth $2.00. He has 22 total coins. How many of (answered by Abbeyneedshelp!)