Answer:
The volume of Mr. Tai's living room is 10 feet x 18 feet x 1 foot = 180 cubic feet.
The volume of his family room is 14 feet x 20 feet x 8 feet = 2,240 cubic feet.
The total volume of the two rooms is 180 cubic feet + 2,240 cubic feet = 2,420 cubic feet.
Explanation: