Problema Solution
Jorge was 2 times faster than Marcus when driving toward Lake Murray. In fact, Jorge drove the 280 miles to Lake Murray in 4 hours less than it took Marcus to drive the 252 miles. How fast and long did each person go?
Answer provided by our tutors
Let speed of Marcus be x.
Speed of Jorge = 2x
(280/2x) +4 = 252/x
140 + 4x = 252
4x = 112
x = 28
Speed of Jorge = 2x = 52 miles/hr
Speed of Marcus = x = 28 miles/hr