Question

a stairway consists of 4 in rises and treads of 18 in if the height of the stairs is 4 feet what is the distance taken up by the stairway on the lower floor

Answer 1

If we have x flights of stairs.

The height of the stairs would be 4x.

The height of the stairs is given as 4 feet = 4 x 12 = 48 inches.

Therefore there are 48/4 = 12 flights of stairs.

The distance taken by the stairs on the lower floor would be

18 x 12 = 216in or 18 feet.