Ascale of a room in a blueprint is 3 in.: 5 ft. a wall in the same blueprint is 18 in. how long is the actual wall? a window in the room has an actual width of 2.5 feet. find the width of the window in the blueprint.

A scale of a room in a blueprint is 3 in.:5 ft. A wall in the same blueprint is 18 in.  How long is the actual wall?  30 feet

A window in the room has an actual width of 2.5 feet. Find the width of the window in the blueprint. 1

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.