its q and c c c c c c c c c c c a a a a a a a a a a. a
Answer: That seems right. Maybe you didn't simplify. Then, it would be 8/11.
Step-by-step explanation:
Answer:
Volume of the Figure 
Step-by-step explanation:
Volume of the figure = Volume of the Upper cone+Volume of the lower cone
Volume of a cone = 
Volume of the Upper Cone with



Volume of the Lower cone with
and 

Volume of the Whole Figure = 
Volume of the Figure 
20 square meter lawn..............................10 min
10 square meter lawn...............................5 min
30 square meter lawn in.........................5*3=15 min