Answer:
The answer is "0.45385".
Step-by-step explanation:
The time is taken to reach the coast
The time is taken to reach Q after reaching the coast 
Total time,
This has to be minimum,


x=0.45385
35
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
64 = 4x
64/4 = 4x/4
16 = x
Answer:
first part is B, second part is 11 years
Step-by-step explanation:
edg