Question 50778
p=2*l+2*w or 62=2*l+2(l-3) or 62=2l+2l-6 or 62=4l-6 or 4l=68 or l=68/4 or l=17
then the width is 17-3=14
proof 2*17+2*14=62 or 34+28=62 or 62=62