I believe the answer is the ship is traveling at 21.25 MPH, started 10.5 miles from lighthouse and after 11 hours will be 244.25 miles from the lighthouse.
1. Consider square ABCD. You know that

then

2. Consider traiangle AED. F is mipoint of AE and G is midpoint of DE, then FG is midline of triangle AED. This means that

3. Consider trapezoid BFGC. Its area is
where h is the height of trapezoid and is equal to half of AB. Thus,

4.

5. Note that angles EGC and CGD are supplementary and

Then

Answer: 
Answer:
1kg = Rs. 42.50
3.5kg = 3.5*42.50
=Rs. 148.75
I hope you know this answer
I think it is fair becasue you have the chance to win more than to lose point if get 1 or 6 you dont get nothing so that not a lose
It's 10. I hope this helps!