Answer:
w = 4/3
Step-by-step explanation:
A = l * w, A = 4 2/3
l = 3 1/2
A = l * w
4 2/3 = (3 1/2) * w, convert to improper fractions
14/3 = (7/2) w, multiply both sides by 2/7
(2/7)(14/3) = (2/7)(7/2) w
28/21 = 2, 28 and 21 have a common factor of 7
4/3 = w