SOLUTION: Lisa has 45 coins that are worth a total of $3.50. If the coins are all nickels and dimes, how many more dimes than nickels does she have?

Question 1025836: Lisa has 45 coins that are worth a total of $3.50. If the coins are all nickels and dimes, how many more dimes than nickels does she have?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of nickels she has
Let = number of dimes she has
(1)
(2) ( in cents )
-------------------------------
(2)
Subtract (1) from (2)
(2)
(1)
--------------------

and
(1)
(1)
(1)
-------------------

She has 5 more dimes than nickels
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