A man wishes to cover his floor with tiles, each one measuring 3/4 inch by 2 inches. If his room is a rectangle, measuring 12 feet by 18 feet, how many such tiles will he need?

You have to times 3/4 inch by 2 inches which equals 1.5.

There are 12 inches in a foot so times 12 by 12 which equals 144 and 18 by 12 which equals 216 then multiply 144 by 216 which is 31044 and divide thet by 1.5 which equals

20736 tiles which is your answer.