Answer:
Step-by-step explanation:
Width = 5v - 4w
Length = 3v + 7w
Perimeter = 2*(length + width)
= 2* (3v + 7w + 5v - 4w)
= 2* (3v + 5v + 7w - 4w) {Combine like terms}
= 2* (8v + 3w)
= 2*8v + 2*3w
= 16v + 6w
