SOLUTION: If there is 66 coins only nickels and dimes for a total of $4.40 how many of the coins are dimes how many are nickels?
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Question 1009737: If there is 66 coins only nickels and dimes for a total of $4.40 how many of the coins are dimes how many are nickels?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = numbe of nickels
Let = number of dimes
-------------------------
(1)
(2) ( in cents )
------------------------------
This is 2 equations and 2 unknowns,
so it's solvable
(2)
Subtract (1) from (2)
(2)
(1)
------------------
and
(1)
(1)
(1)
There are 44 nickels and 22 dimes
check:
(2)
(2)
(2)
(2)
OK
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