n+d+q = 40
d = 3q
5n+10d+25q = 375
Now let 'er rip
SOLVING SYSTEMS:
A bag contains nickels, dimes and quarters having a value of $3.75. If there are 40 coins in all and 3 times as many dimes as quarters, how many coins of each kind were there?
-Thank you!
1 answer