The lunch menu at a certain restaurant contains 4 different entrees and 5 different side dishes.
The lunch menu at a certain restaurant contains 4 different entrees and 5 different side dishes. If a meal consists of 1 entree and 2 different side dishes, how many different meal combinations W could be chosen from this menu?
Answer/Solution
40
Steps/Work
W=4C1 * 5C2
= 4 * (5*4*3!)/(3!2!)
= 4 * 10
= 40
Answer - C
= 4 * (5*4*3!)/(3!2!)
= 4 * 10
= 40
Answer - C