On the first day of her vacation, Louisa traveled 200 miles. On the second day, traveling at the same average speed, she traveled 350 miles. If the 200-mile trip took 3 hours less than the 350-mile trip, what was the average speed, in miles per hour?  Select the correct option:
A) 45  B) 55  C) 60  D) 65  E) 50
(time)*(rate) = (distance)--&gt;(rate) = (distance)/(time)--&gt; given:(rate) = 200/t = 350/(t+3)--&gt;4/t = 7/(t+3)--&gt;4t+12=7t ----&gt;3t= 12 . t= 4 ----&gt;(rate ) = 200/4= 
<gadget id="calculator">200/4</gadget>
<output>50</output>
50   Answer: 50
<result>E</result>
On the first day of her vacation, Louisa traveled 200 miles. On the second day, traveling at the same average speed, she traveled 350 miles. If the 200-mile trip took 3 hours less than the 350-mile trip, what was the average speed, in miles per hour?