SOLUTION: Alice drives from Finley, Ohio to Richmond, Indiana to drop her sister off at school traveling at an average speed of 105 km/hr. On the way back she decides to drive a little slowe
Algebra.Com
Question 896845: Alice drives from Finley, Ohio to Richmond, Indiana to drop her sister off at school traveling at an average speed of 105 km/hr. On the way back she decides to drive a little slower at 95 km/hr. If her trip took a total of 8 hours, how far apart are the two towns?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Alice drives from Finley, Ohio to Richmond, Indiana to drop her sister off at school traveling at an average speed of 105 km/hr. On the way back she decides to drive a little slower at 95 km/hr. If her trip took a total of 8 hours, how far apart are the two towns?
----------------
Avg speed of the round trip = 2*105*95/(105+95) = 19950/200 = 99.75 km/hr
d = r*t = 99.75*8 = 798 km RT
--> 399 km each way
----------
PS I've been to Findlay, OH. Not to Finley, tho.
RELATED QUESTIONS
Joe drives from Town A to Town B traveling at an average speed of 105 km/hr. On the way... (answered by dkppathak)
Car speed. On a sales trip, Mark drives the 600 mi to Richmond averaging a certain speed. (answered by stanbon)
Sally drives to work at an average speed of 47 mph and returns along the same route at a... (answered by Alan3354)
On a sales trip, Gail drives the 600 miles to Richmond averaging a certain speed. The... (answered by josmiceli)
One a sales trip, Gail drives the 600 miles to Richmond averaging a certain speed. The... (answered by stanbon)
On a sale's trip, Samir drives the 600 miles to Richmond averaging a certain speed, The... (answered by anand429)
1. Mary departs for school on a bicycle at an average rate of 6 miles per hour. Her... (answered by ankor@dixie-net.com)
Cindy ran from her house to school at an average speed of 6 miles per hour and returned... (answered by josgarithmetic)
Danielle drives from her home to the store at an average speed of 40 miles per hour. She... (answered by amoresroy)