SOLUTION: mary starts out at 8 a.m. on a drive to albany. her average rate for the entire trip is 30 miles per hour. her friends leave 2 hours later traveling the same route at 50 miles per

Algebra.Com
Question 964667: mary starts out at 8 a.m. on a drive to albany. her average rate for the entire trip is 30 miles per hour. her friends leave 2 hours later traveling the same route at 50 miles per hour. at what time do the friends overtake mary?
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
_____________________speed_____________time___________distance
MARY_________________30________________t+2____________d
FRIENDS______________50_________________t_____________d

The time line is not used in the data table, but just the time quantities are used. t is the time for Mary's friends to travel a distance d to catchup with her.


RELATED QUESTIONS

On the way to her friends house, susan pulls into a gas station just as her car runs out... (answered by JulietG)
you drive to the beach at a rate of 120 kilometers per hour. On the return trip you drive (answered by ankor@dixie-net.com)
During the first 30 miles of city driving, you average 40 miles per hour. For the... (answered by josgarithmetic,maurik34)
Tatiana takes a 40 mile round trip bicycle trip and travels at a a constant speed the... (answered by stanbon)
Rachel drives at a rate of 40 miles per hour for 3 hours on a country road and then... (answered by mananth)
hannah took a trip to visit her cousin.she drove 120 miles to reach her cousin's house... (answered by ankor@dixie-net.com)
Traveling at an average speed of 60 miles per hour can give better gas mileage than... (answered by scott8148)
Traveling at an average speed of 60 miles per hour can give better gas mileage than... (answered by ankor@dixie-net.com)
a girl rides her bike up a hill at 10 miles per hour. She then rides her bike down the... (answered by robertb)