Wednesday

December 17, 2014

December 17, 2014

Posted by **Diana** on Saturday, July 14, 2007 at 9:50pm.

Time in each case is the same.

distance=rate*time

20=(9+vf)*time

where vf is the velocity on the freeway.

15=vt*time or time= 15/vf

put that in the first equation for time, and solve for vf. You will most likely have a quadratic equation.

**Answer this Question**

**Related Questions**

help,math - can some set the equation up for me. Science and medicine. A plane ...

algebra - During rush hour, Bill can drive 60 miles using the side roads in the ...

math,algebra - can someone just set up the equations for me for this problem. ...

algebra - A train can travel 280 miles in the same time that it takes a car to ...

Math - Please review. Ella can drive 65 mi on side roads in the same time that ...

algebra 1 - juan drives to work. Because of traffic conditions, he averages 22 ...

intermediate algebra - You can travel 40 miles on a motorcycle in the same time ...

~Algebra question~ - The time, t, required to drive a certain distance varies ...

One Algebra Question~! - The time, t, required to drive a certain distance ...

Math - Tiffany can run 12 miles in the same time it takes her to bicycle 72 ...