Question

Mr Smith is putting around 8 windows each window is 3 and 1/2 feet wide and 5 feet long How many feet of his does he need?

Answer 1

8 windows

each 3 1/2 by 5 feet

Perimeter of one window: 3 1/2 by 5 = 3.5 x 5 = 17.5

Since there are 8 windows: 8 times 17.5 = 140

Answer:

He needs 140 feet