On the first day of her vacation, Louisa traveled 100 miles. On the second day, traveling at the same average speed, she traveled 175 miles. If the 100-mile trip took 3 hours less than the 175-mile trip, what was the average speed, in miles per hour?	Choices.
A) 27
B) 28
C) 25
D) 30
E) 35
(time)*(rate) = (distance)--&gt;(rate) = (distance)/(time)--&gt; given:(rate) = 100/t = 175/(t+3)--&gt;4/t = 7/(t+3)--&gt;4t+12=7t ----&gt;3t= 12 . t= 4 ----&gt;(rate ) = 100/4= 
<gadget id="calculator">100/4</gadget>
<output>25</output>
25   Answer: 25
<result>C</result>
On the first day of her vacation, Louisa traveled 100 miles. On the second day, traveling at the same average speed, she traveled 175 miles. If the 100-mile trip took 3 hours less than the 175-mile trip, what was the average speed, in miles per hour?