enigma123 wrote:
The Carson family will purchase three used cars. There are two models of cars available, Model A and Model B, each of which is available in four colors: blue, black, red, and green. How many different combinations of three cars can the Carsons select if all the cars are to be different colors?
A. 24
B. 32
C. 48
D. 60
E. 192
My method in solving this was a little different.
First, there are 8 cars to choose from and we need to pick 3 cars. This can be done in 8!/5!*3!=56 ways.
Next, let's choose
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