Question 1138560: A bag contains 39 coins, all nickels and quarters. The total value of the coins in the bag is $6.35. How many of the coins are nickels? Answer by MathLover1(20850) (Show Source):
You can put this solution on YOUR website! A bag contains coins, all nickels and quarters. The total value of the coins in the bag is $. How many of the coins are nickels?
let nickels be and quarters
given: ....solve for .........eq.1
the total value of the coins in the bag is $
=$ =$
then, we have
.....eq.2......substitute from eq.1
go to .........eq.1 substitute
there are nickels