Assignment:
Q1. The second of three negative numbers is 6 less than the first negative number. The third negative number is 3 times the second number. Find the set of all possible third numbers given that twice the sum of the first two numbers is greater than the third number.
Q2. A woman can row 11 miles downstream in the same time it takes her to row 7 miles upstream. She rows downstream for 3 hours, then turns and rows back for 4 hours, but finds she is still 5 miles from where she started the trip. How fast does the stream flow?
Provide complete and step by step solution for the question and show calculations and use formulas.