Question 713889: A drawer contains quarters and nickels. There are 200 total coins valuing $30.00. How many nickels are in the jar? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of nickels
Let = number of quarters
given:
(1)
(2) ( in cents )
----------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and, since
(1)
(1)
(1)
There are 100 quarters and 100 nickels
check:
(2)
(2)
(2)
(2)
OK
