According to the above statement, your assignment must have defined "x" and "y". The previous reply, providing explanations and the set-up, may not have used "x" and "y" in the way your text intended. (You did not supply this information.) Make sure you understand the reasoning, and have used the variables in accordance with the assignment's expectations! :shock:Tay said:If Togo flew his ultralight airplane 30 miles with the wind & it took 3/5 hours. He flew back against the wind and it took 5/6 hours. Solve for x & y.