Question

Tim wants to buy one of three different albums he sees in a music store. Each is available on tape and on CD. From how many combinations of album and format does he have to choose?

Short answer

Tim has to choose from6 combinationsof album and format.

Step-by-step solution

Step 1. Given Information.

Given Tim wants to buy one of three different albums he sees in a music store. Each is available on tape and on CD. It is to be determined from how many combinations of album and format does Tim have to choose.

Step 2. Calculation.

There are 3 ways to choose one of the three different albums.

And 2 ways to choose from tape and CD.

By the Fundamental Counting Principle, there are $3\times 2=6$ combinations possible.

Step 3. Conclusion.

Hence, by Fundamental Counting Principle, Tim has to choose from 6 combinations of album and format.