Thomas K. answered 12/11/24
8th Grade Math Teacher & Experienced Algebra 1 Tutor with 10+ Years
Lenth = l, Width = w
l = 2w - 5
P (perimeter) = 2l + 2w = 38
By substitution, 2(2w-5) +2w = 38 => 4w -10 +2w = 38
6w - 10 = 38 => 6w = 48 => w = 8
l = 2w - 5 = 2 * 8 - 5 = 11
So lendth is 11 cm, width is 8 cm