SOLUTION: chris has $1.65 in nickles and dimes in his pocket all together 20 coins how many of each type does he have?
Algebra ->
Linear-equations
-> SOLUTION: chris has $1.65 in nickles and dimes in his pocket all together 20 coins how many of each type does he have?
Log On
Question 839102: chris has $1.65 in nickles and dimes in his pocket all together 20 coins how many of each type does he have? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! chris has $1.65 in nickles and dimes in his pocket all together 20 coins how many of each type does he have?
-----
Equations:
Quantity: n + d = 20 coins
Value:: 5n+10d = 165 cents
----------------------------
n + d = 20
n +2d = 33
----------
Subtract and solve for "d":
d = 13 (# of dimes)
-----
n = 7 (# of nickels)
========================
Cheers,
Stan H.
----------------------