A rectangle is three times as long as it is wide. Choose the expressions that could be used to find the rectangle's perimeter

Question

a) w+w+3w+3w

b) 9w

c)2w+2(3w)

d) 8w

Answer 1

a), c) and d) are correct

b) is wrong.

8w is the most simple expression for the perimeter. but a) and c) are correct too.