Answer:
When 1 car garage then there are 35 choices
When 2 car garage there are 70 choices
Explanation:
Given:
There 7 different floors ,5 exterior colors and option of 1 or 2 car garage.
To Find:
How many choices are there for one home.
Solution:
Now for one home there 4 different option in terms of
Floors
Exterior colors
1 car garage.
2 car garage .
When 1 car garage, then choice will be multiple of each term
as =7*5*1
=35 Different choices with 1 car garage.
When 2 car garage then choices are
=7*5*2
=70 Different choices
i.e This is way to arrangement of options for home . permutation Concept.