Question

If the perimeter of a rectangle is 42 ft and the width is 5 ft, what is the length?

Answer 1

Length = 16 ft

Explanation:

Perimeter = 2(width+length)

Then:

42 = 2(5 + length)

42/2 = 5 + length

21 = 5 + length

21 - 5 = length

16 = length