SOLUTION: Jane has nickels and quarters worth $3.05. She has 7 more nickels than quarters. Find the number of each type of coin.

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Question 1089633: Jane has nickels and quarters worth $3.05. She has 7 more nickels than quarters. Find the number of each type of coin.
Found 3 solutions by josmiceli, addingup, MathTherapy:
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = number of nickels
Let = number of quarters
-------------------------------
(1)
(2)
Plug (2) into (1)
(1)
(1)
(1)
(1)
------------------------------
and
(2)
(2)
(2)
There are 16 nickels and 9 quarters
---------------------------------
check:
(1)
(1)
(1)
(1)
OK
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
q = n-7
0.25q+0.10n = 3.05
0.25(n-7)+0.10n = 3.05
Check your numbers, I think your $3.05 should be $3.15.
Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!

Jane has nickels and quarters worth $3.05. She has 7 more nickels than quarters. Find the number of each type of coin. 
Correct answer: 

There's NOTHING WRONG with your numbers, so IGNORE whomever says there is. 

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