SOLUTION: A person has 20 coins, all nickels and dimes, worth $1.65. How many nickels are there
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Question 872392: A person has 20 coins, all nickels and dimes, worth $1.65. How many nickels are there
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, since
(1)
(1)
(1)
There are 7 nickels and 13 dimes
check:
(2)
(2)
(2)
(2)
OK
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