SOLUTION: A Change purse contains a total of 100 nickels and dimes. The total value of the coins is $7. How many coins of each type does the purse contain?
Also write a system of equatio
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Question 1025027: A Change purse contains a total of 100 nickels and dimes. The total value of the coins is $7. How many coins of each type does the purse contain?
Also write a system of equations to model this situation.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of nickels
Let = number of dimes
---------------------------
(1)
(2) ( in cents )
---------------------------
(2)
Subtract (1) from (2)
(2)
(1)
--------------------
and
(1)
(1)
------------------
There are 60 nickels and 40 dimes
-------------
check:
(2)
(2)
(2)
(2)
OK
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