SOLUTION: 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?
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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
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