Question 691342: peter has $14 in change in all quarters, nickels, and dimes. If he has the same number of quarters, nickels and dimes. how many dimes does he have?
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! peter has $14 in change in all quarters, nickels, and dimes. If he has the same number of quarters, nickels and dimes. how many dimes does he have?
-----
Value Eq:::: 5n + 10d + 25q = 1400 cents
Quantity Eq: n = d = q
--------
Substitute for n and q to solve for "d":
5d + 10d + 25d = 1400
40d = 1400
d = 35 (# of dimes)
========================
cheers,
Stan H.
============
|
|
|