A picture has a width of 8 em and a length of 14 em. If the perimeter of the picture is increased by 50 percent, which of the following dimensions is possible for the new perimeter?

A. 4 em by 7 em
B. 8 em by 28 em
C. 12 em by 21 em
D. 16 em by 28 em

3 answers

I thinks its c
what is 1.5(8) ?
what is 1.5(14) ?

What is an em ?
It's suppose to be cm