Quincy is making an omelet. There are 4 types of meat and 5 types of cheese to choose from. For the vegetable, Quincy has 2 options. Lastly,there are 2 possibilities for the sauce. How many different omelets can Quincy make using exactly one of each item? square omelets

## Step 1: Calculate meat and cheese combinations<br />### There are 4 meat choices and 5 cheese choices. Multiply these to find the total meat and cheese combinations: $4 \times 5 = 20$.<br />## Step 2: Calculate meat, cheese, and vegetable combinations<br />### There are 2 vegetable choices. Multiply the previous result by the number of vegetable choices: $20 \times 2 = 40$.<br />## Step 3: Calculate total combinations<br />### There are 2 sauce choices. Multiply the previous result by the number of sauce choices: $40 \times 2 = 80$.