Posted by Jon on Thursday, May 10, 2012 at 6:37pm.
An ice cream shop has a choice of 7 sundae toppings. suppose you could afford at least for toppings how many different ice cream's Sundays could you order

Math  MathMate, Thursday, May 10, 2012 at 10:02pm
Assuming order of the toppings are not relevant, then you can order
7C4=7!/((74)!(4!)) Sundaes
=35