# Urgent Help! combinations

• Jan 4th 2007, 02:57 PM
star29867
Urgent Help! combinations
For a pizza party, students can choose from chesse, sausage, or veggie pizza. For a drink, the choices are lemonade or iced tea. List all of the possible choices of 1 drink amd 2 different pieces of pizza.
• Jan 4th 2007, 03:07 PM
ThePerfectHacker
Quote:

Originally Posted by star29867
For a pizza party, students can choose from chesse, sausage, or veggie pizza. For a drink, the choices are lemonade or iced tea. List all of the possible choices of 1 drink amd 2 different pieces of pizza.

2 drinks taking 1,
$_2C_1$

3 things to eat, taking 2,
$_3C_2$

Thus,
$_2C_1\cdot _3C_2$