
Answer:
24
Step-by-step explanation:
Short Answer: Each shirt could be worn with each pair of pants at least once so 4*6=24.
Tshirt 1 with boardshorts 1
Tshirt 1 with boardshorts 2
Tshirt 1 with boardshorts 3
Tshirt 1 with boardshorts 4
Tshirt 2 with boardshorts 1
Tshirt 2 with boardshorts 2
Tshirt 2 with boardshorts 3
Tshirt 2 with boardshorts 4
Tshirt 3 with boardshorts 1
Tshirt 3 with boardshorts 2
Tshirt 3 with boardshorts 3
Tshirt 3 with boardshorts 4
Tshirt 4 with boardshorts 1
Tshirt 4 with boardshorts 2
Tshirt 4 with boardshorts 3
Tshirt 4 with boardshorts 4
Tshirt 5 with boardshorts 1
Tshirt 5 with boardshorts 2
Tshirt 5 with boardshorts 3
Tshirt 5 with boardshorts 4
Tshirt 6 with boardshorts 1
Tshirt 6 with boardshorts 2
Tshirt 6 with boardshorts 3
Tshirt 6 with boardshorts 4