A boy owns 10 pairs of pants, 7 shirts, 4 ties, and 8 jackets. (a) How many outfits can he wear to school if he must wear one of each item? (b) How many outfits can he wear to school if he must wear...

A boy owns 10 pairs of pants, 7 shirts, 4 ties, and 8 jackets.


(a) How many outfits can he wear to school if he must wear one of each item?


(b) How many outfits can he wear to school if he must wear pants, shirt and a jacket, but the tie is optional?