Chapter 11 - Counting Methods and Probability Theory - 11.1 The Fundamental Counting Principle - Exercise Set 11.1 - Page 692: 2

$27$

The number of ways in which a series of successive things can occur is found by multiplying the number of ways in which each thing can occur. ---------- 1. The color can be chosen in 9 ways. 2. The type can be chosen in 3 ways. Applying the Principle, the total number of different cars is $9\times 3=27$