Matt (180lb male) goes to a party and is served beer in a 16 oz red plastic cup. he has 3 cups of beer over a two hour period.

a. how many standard drinks did he consume

One standard drink contains 12 oz of beer

Since he had 3 cups of 16 oz beer, total beer consumption is 16*3 = 48 oz

Number of standard drinks that Matt had = 48/12 = 4 standard drinks