SOLUTION: Brenda left the science museum and drove toward her cabin on the lake at an average speed of 65 km/h. Adam left some time later driving in the opposite direction with an average sp

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Question 532763: Brenda left the science museum and drove toward her cabin on the lake at an average speed of 65 km/h. Adam left some time later driving in the opposite direction with an average speed of 45 km/h. After Brenda had driven for five hours they were 505 km apart. Find the number of hours Adam drove.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Brenda had driven +65%2A5+=+325+ km
They were 505 km apart, so +505+-+325+=+180+
Adam had driven +180+ km
Adam's equation:
+180+=+45%2At+%7D%7D%7B%7D%0D%0A%7B%7B%7B+t+=+4+
Adam drove for 4 hrs