Question 162608
Gail and Bill drove to a beach at an average speed of 50mph and returned home over the same road at an average speed of 55mph. The trip home took 30 minutes. How far is the beach from their home? 
=----------------------------
From beach DATA:
rate = 55 mph ; time = (1/2) hr; distance = rt = (55/2) miles = 27.5 miles
------------------------------
To beach DATA:
rate = 50 mph ; time = x hrs; distance = 50x miles
===========================
I don't know if they want it but:
50x = 55/2
x = 0.55 hours (time to get to the beach)

================
Cheers,
Stan H.