A modular home manufacturer builds homes with four different

A modular home manufacturer builds homes with four different interior plans, three different roof styles, and five different exteriors. How many different homes can be built?

Solution

This is based on principle of counting

The number of ways a home can be build

= 4 ways of interiors * 3 ways of roof * 5 ways for exteriors

= 4 * 3 * 5

= 60 ways

Hope this helps.