In the school cafeteria students choose what they want to eat each day. They can have 1 meat, 1 vegetable, a bread, and 1 dessert.
There are 3 choices for meat, 2 vegetable choices, 2 bread choices, and 2 dessert choices. How many different combinations are
possible?

9
12
18
24

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)