tarek99 wrote:

The Middlebury train station is between the Appleton and Lancaster stations and all three are serviced by the same track. What is the distance between Middlebury and Lancaster?

(1) If a train can travel 50 miles on one pound of coal, it will use twice as much coal traveling from MiddleBury to Lancaster as it will use to travel between Middlebury and Appleton.

(2) Traveling from Appleton to Middlebury at an average rate of 35 mph takes 30 minutes longer than at an average rate of 55 mph.

Please explain your answer and why the other answer choices are wrong.

thanks

statement 1 : AM = 2x and ML = x, AL = 3x... not suff

statement 2 : AM/35 - AM/55 = 0.5, we can find AM but we have to find ML ... not suff

combine : ML = AM/2 ... suff

C