SOLUTION: Fred jogs uphill at 8mph to work.On his way home (downhill) he averages 11mph and takes him 15 min less time.How far does he live from work?
Algebra.Com
Question 136497: Fred jogs uphill at 8mph to work.On his way home (downhill) he averages 11mph and takes him 15 min less time.How far does he live from work?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
8t=11(t-.25)
8t=11t-2.75
8t-11t=-2.75
-3t=-2.75
t=-2.75/-3
t=.917 hours is his time.
8*.917=7.33 miles is the distance to his work.
proof
11(.917-.25)=11*.667=7.33 mles.
RELATED QUESTIONS
Becky can ride her bike to the university library in 20 min. The trip home, which is all... (answered by josmiceli,htmentor)
On monday roger drove to work in 16 minutes. Tuesday he averaged 11mph more and it took... (answered by ankor@dixie-net.com)
A cyclist has travel 6 miles to reach his destination. he has to either choose to travel... (answered by jorel1380)
Jana can jog 5 miles downhill in the same time that it takes her to jog 3 miles uphill.... (answered by mananth)
Hamilton rode his bike downhill 12 miles on the river trail from his house to the ocean... (answered by Boreal)
Tom's home is 1,800 m from his school. One morning he walked part of the way to school... (answered by josmiceli)
Tom's home is 1,800 m from his school. One morning he walked part of the way to school... (answered by lwsshak3)
Tom's home is 1,800 m from his school. One morning he walked part of the way to school... (answered by lwsshak3)
Freddie gets a car ride to the top of a hill, then rides his skateboard back down. The... (answered by richwmiller,stanbon)