Outfits on World Tour

Topic: Permutation

Difficulty: 3/10

Hint in 3…..

2………

1………

 

If Suzy has 3 tops and 2 bottoms, she can have different outfit combinations for (3 x 2) days

Solution in 3…..

2………

1………

FULL SOLUTION

Step 1: Using the hint, she has 7 x 5 x 3 = 105 different outfits.

Step 2: Since 105 is greater than 80, she has enough outfits.

 

To find out more, follow the link: https://www.mathsisfun.com/combinatorics/combinations-permutations.html