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.
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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
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