Question

A builder has agreed not to erect all "look alike" homes in a new subdivision. Five exterior designs are offered to potential homebuyers. The builder has standardized three interior plans that can be incorporated in any of the five exteriors. How many different ways can the exterior and interior plans be offered to potential homebuyers?

Answer 1

There will be 15 ways.

Explanation:

5 exterior designs are offered to potential home buyers.

The builder has standardized 3 interior plans that can be incorporated in any of the 5 exteriors.

So, the number of different ways in which the exterior and interior plans be offered to potential home buyers is given by:

`5*3=15`

Therefore, the answer is 15 ways.