Question 549111
Two cars leave from the same point, headed in opposite directions, Car A is traveling 50 mph and Car B is traveling at 60 mph. How many hours will the two cars be 440 miles apart?
I know the answer is 4 hours but I do not know HOW. What is the formula
<pre>
Their rate of separation is the sum of their speeds:
 
50mph + 60mph = 110mph

time = {{{distance/rate}}}

time = {{{440/110}}}

time = 4 hours.

Edwin</pre>