Question

A dining room is 21 ft long. On a blueprint, the dining room is 3.5 ft long and 2.5 ft wide. The actual width of the dining room is _____ ft.

Answer 1

15 ft.

Explanation:

the ratio of the real room to the blueprint is 21/3.5, which simplifies to 6.

You have to multiply 6 by 2.5 to get 15