Math
posted by Larah on .
marcus buys a juice from a juice machine. the juice is a bargain at .35 cents. the machine only accepts nickles, dimes and quarters. Marcus decides that each day he will place a different combination of coins into the juice machine. How many days will marcus be able to place a different combination of coins into the juice machine before he has to repeat himself?
My answer: 6 days
7 nickles
3 dimes and 1 nickle
5 nickles and 1 dime
2 dimes and 3 nickles
1 quarter and 1 dime
1 quarter and 2 nickles

PLEESE HELP ME