Step-by-step explanation:
1. (5/18) × (3/20)=
(5×3)/(18×20)=
15/360=1/24
2. (1/24) × (6/12)=
1/48
I'm pretty sure that it would be 1/2 since it says 1/3 each whole, which in this case it would be 1/3 each hour.
Answer:
its 12.9cm on edg.