SOLUTION: Mayra has $0.25 in nickels and dimes. The number of dimes is 5 less than twice the number of nickels. Find the number of nickels, n, by solving the equation (you must show work to
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Question 1202217: Mayra has $0.25 in nickels and dimes. The number of dimes is 5 less than twice the number of nickels. Find the number of nickels, n, by solving the equation (you must show work to receive credit for this problem)
0.05n+0.10(2n-5)=0.25
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Mayra has $0.25 in nickels and dimes. The number of dimes is 5 less than twice the number of nickels. Find the number of nickels, n, by solving the equation (you must show work to receive credit for this problem)
----------------
0.05n+0.10(2n-5)=0.25
0.05n + 0.2n - 0.5 = 0.25
0.25n = 0.75
n = 3 nickels
==========================
There are only 3 possible combinations:
1 N and 2 D's
or 3 N and 1 D
or 5 N's
--------------------
I have 2 coins that total 30 cents.
One of them is not a nickel. What are they?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
n nickels
2n-5 dimes
Money total 0.25 dollars
------nickels
--------dime
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