Answer:
d=4.629
Step-by-step explanation:
3 1/3=10/3
7 1/5=36/5
----------------
(0.3d-1)/10/3=0.84/(36/5)
(0.3d-1)(3/10)=(0.84/1)(5/36)
(0.9d-3)/10=4.2/36
cross product
10*4.2=36(0.9d-3)
42=32.4d-108
32.4d=42+108
32.4d=150
d=150/32.4