SOLUTION: Alycia opens her piggy bank to find only nickels and quarters inside. She counts the coins and finds that she has 72 coins totaling $11.60. How many nickels were in the piggy
Algebra ->
Finance
-> SOLUTION: Alycia opens her piggy bank to find only nickels and quarters inside. She counts the coins and finds that she has 72 coins totaling $11.60. How many nickels were in the piggy
Log On
Question 1134000: Alycia opens her piggy bank to find only nickels and quarters inside. She counts the coins and finds that she has 72 coins totaling $11.60. How many nickels were in the piggy bank, and how many quarters were in there? Found 2 solutions by Glaviolette, josmiceli:Answer by Glaviolette(140) (Show Source):
You can put this solution on YOUR website! I set up a system of equations using n to represent the number of nickels and q represents the number of quarters. I then used substitution to solve.
You can put this solution on YOUR website! Let = the number of nickels
Let = the number of quarters
--------------------------------------------
(1)
(2) ( in cents )
--------------------------------------------
(2)
Subtract (1) from (2)
and
(1)
(1)
----------------------------
There were 32 nickels and 40 quarters
---------------------------------------------
check:
(2)
(2)
OK