+10 Ashley left the hospital and traveled toward her friend's house. Emily left one hour later traveling at 60 mph in an effort to catch up to Ashley. After traveling for four hours Emily finally caught up. Find Ashley's average speed.
+37159 Emily had a closing speed equal to the differences in speed 60 - x m/hr where x = Ashley speed
Ashley was x miles ahead
x/(60-x) = 4 hours
x = 240 - 4x
5x = 240
x = 48 m/hr = Ashley's speed
