Vic has 3 pairs of pants, blue, brown and black. He has 2 dress shirts, white and striped. He can also wear a yellow or green tie. How many possible combinations of pants, shirt, and tie can Vic make?

12 possible combinations

There are 12 different combinations

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.