A three-course meal will contain 1 pizza, 1 salad, and 1 dessert.
The question tells us that there are 4 different salads, 5 different pizzas, and 3 different desserts.
Therefore, the total number of possible ways a three-course meal can be served is calculated as the product of all the numbers. This is shown below:
[tex]\Rightarrow4\times5\times3=60[/tex]60 different meals can be ordered.
