SOLUTION: If I am traveling at 90 mph and a car is a quarter mile behind me, how fast must that car (mph) go to catch me within a quarter mile?
Algebra.Com
Question 854346: If I am traveling at 90 mph and a car is a quarter mile behind me, how fast must that car (mph) go to catch me within a quarter mile?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
I will travel .25 miles at 90 mph
Other car will travel .50 miles at 90+y mph
90x=.25,
(90+y)*x=.50
x = 1/360, y = 90
The second car must go 180 mph for 60*1/360=1/6 minute= 10 seconds
RELATED QUESTIONS
If im going 90 mph and a car is a quater mile behind me how fast must the car travel to... (answered by Alan3354)
If car A is traveling at 50 mph, how fast will car B have to go to catch up to car A... (answered by richwmiller)
If I'm going 50 mph and a car is doing 85 mph a quarter mile behind me, how long does it... (answered by richwmiller)
If I am going 55 mph and another car is driving a mile behind me going the exact speed... (answered by jim_thompson5910)
If Car A is going 70 miles an hour and Car B is 1/2 mile behind Car A how fast would Car... (answered by ankor@dixie-net.com)
First car traveling at 70 mph and a second car 5miles behind the first how fast would the (answered by stanbon)
Two cars traveling in the same direction. Car a. passes car b. How fast is car a... (answered by Alan3354)
CAR A TRAVELING 35 MPH.CAR B IS 200" BEHIND CAR A ROUGHLY FOUR CAR LENGTHS AWAY ON THE... (answered by stanbon)
A car traveling at 90 mph is 500 miles behind another car traveling at 70 mph in the same (answered by richwmiller)