   Chapter 14.1, Problem 68E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# APPLICATIONS61-74 ■ Combinations These exercises involve counting combinations.Three-Topping Pizzas A pizza parlor offers a choice of 16 different toppings. How many three-toppings pizzas are possible?

To determine

To find:

The number of three-toppings pizzas possible.

Explanation

Given:

A total of 16 different pizza toppings are available.

Approach:

The order for choosing three toppings is not considered.

The formula of the number of combinations is as follows.

C(n,r)=n!r!(nr)!

Here, n is the total number of objects and r is the number of objects chosen.

Calculation:

Substitute 16 for n and 3 for r.

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