I need help with this math problem.

Question

A deli has a lunch special which consists of a sandwich, soup, salad, and drink for $8.99. They offer the following choices: Sandwich--chicken salad, tuna, and roast beef; Soup--chicken noodle, bean; Salad-- garden, fruit, caesar; Drink-- tea, coffee, coke, diet coke and sprite. How many different lunch special combinations are there? Explain your answer.

Answer 1

You have 3 choices for sandwich, 2 choices for soup, 3 choices for salads, and 5 choices for drinks.

The number of combinations you can have is simply 3x2x3x5 = 90.