SOLUTION: An ice cream shop has a choice of nine toppings. Suppose you can afford at most four toppings. How many different types of ice cream sundaes can you order?

Algebra ->  Permutations -> SOLUTION: An ice cream shop has a choice of nine toppings. Suppose you can afford at most four toppings. How many different types of ice cream sundaes can you order?      Log On


   



Question 440254: An ice cream shop has a choice of nine toppings. Suppose you can afford at most four toppings. How many different types of ice cream sundaes can you order?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
9 toppings taken four at a time equals 9C4. 9C4= 9x8x7x6x5!/4x3x2x5!=3x7x6=126 different possible combinations.