SOLUTION: At 2 p.m., two cars leave Eagle River, WI, one headed north and one headed south. If the car headed north averages 50 mph and the car headed south averages 60mph, when will the car
Algebra.Com
Question 262836: At 2 p.m., two cars leave Eagle River, WI, one headed north and one headed south. If the car headed north averages 50 mph and the car headed south averages 60mph, when will the cars be 165 miles apart?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Write an equation for each car
(northbound)
(southbound)
They both start at the same time, and I
will stop them both when they are 165 mi apart
so which I'll just call
Since they both equal, I can say
Multiply both sides by
(1)
I also know that
(2)
(1)
Substituting (2) into (1)
mi
hr
They will be 165 mi apart in 1.5 hr
check answer:
mi
OK
RELATED QUESTIONS
Hello.
Computing Distance: At 2pm two cars leave Eagle River, WI, one headed north and (answered by Zef)
Two cars leave town headed north at the same time. Car A is moving at 60 mph, and Car B... (answered by mananth)
Two vans leave at the same time, one headed north, one headed south. The one headed north (answered by stanbon)
Two cars leave an intersection at the same time. One is headed North at a constant speed... (answered by ankor@dixie-net.com,Alan3354)
Two cars are leaving Phils house at precisely 6:20 PM. The first car, driven by Phil is... (answered by checkley75)
One car's headed south at 70mph. The other is headed north at 65mph. They leave from... (answered by jim_thompson5910)
Two trains leave chicago, one headed due east at 60 mph and one headed due west at 50... (answered by solver91311)
two trains leave boston at 2pm heading in opposite directions . one train is headed due... (answered by Boreal,macston)
Two cars left an intersection at the same time,one heading due north and the other due... (answered by solver91311)