Question

A pizza has 6 meat toppings ad 9 vegtable toppings. In how many different ways can a pizza be made with 2 meat toppings and 3 vegtable toppings?

Answer 1

well it looks like

\[^6C_{2} \times ^9C_{3}\]

to me

Answer 2

how do you multiple that?

Answer 3

well do you know about combinations...?

Answer 4

A little. They are trickier than permutations though.

Answer 5

of not use

Answer 6

then when you get that answer you need to diivde to eliminate the repeated selections... as order isn't important

so