instant insta 36. Suppose that a rectangular block of tissue, with dimensions L = w = 10mm and thickness t = 1 mm, extends at the rate of 1 mm per day, while the volume V and thickness t remain fixed, At what rate is the width w changing when the length is L = 20mm? instant A) 2.5 mm/day C) 0.25 mm/day E None of the above. B) -2.5 mm /day D) -0.25 mm/day