Combo

cheeseburger         pepper           cup


Basics
Combo refers to different combinations.
To answer a combo question, multiply.


Question
At a fast food restaurant, a customer can order three different sandwiches (hamburger, cheeseburger, fish), three different side dishes (french fries, onion rings, chili pepper), and two different drinks (coffee, soda).  How many different combinations of this food can the customer order?

Answer
18

Answer Process
3 × 3 × 2 = 18

Calculator Click What You See Comment
clear blinker clears screen
3 × 3 × 2 3*3*2 Multiplication
enter 18 Answer
Combo


Question
At a store, a customer can purchase 15 different shirts, 11 different pants, 13 different hats, 25 different socks, and 55 different shoes.  How many different combinations of clothing can the customer purchase?

Answer
2949375

Answer Process
15 × 11 × 13 × 25 × 55 = 2949375

Calculator Click What You See Comment
clear blinker clears screen
15 × 11 × 13 × 25 × 55 15*11*13*25*55 Combo = Multiply
enter 2949375 Answer
Combo


Practice – Questions
1.  At a restaurant, a customer can order 5 different appetizers, 4 different entrees, and 3 different desserts.  How many different combinations of this food can the customer order?

2.  At a store, a customer can purchase 7 different shirts, 6 different pants, 5 different hats, 4 different socks, and 3 different shoes.  How many different combinations of clothing can the customer purchase?

3.  A painter can choose from 8 different shades of red, 12 different shades of blue, 7 different shades of green, and 92 different shades of gray.  How many different combinations of paint can the painter use?

4.  An office can be furnished with five different desks, four different cubicles, and fifteen different chairs.  How many different combinations of furniture can be used to furnish the office?

5.  A test can be formulated with eleven different multiple-choice questions, twelve different single-answer questions, and 2 different essay questions.  How many different combinations of questions can the test ask?


Practice – Answers
1.  60

2.  2520

3.  61824

4.  300

5.  264

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