SOLUTION: Joe drives from Town A to Town B traveling at an average speed of 105 km/hr. On the way back he drives 95 km/hr. If the trip took a total of 8 hours, how many kilometers apart ar
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Question 752851: Joe drives from Town A to Town B traveling at an average speed of 105 km/hr. On the way back he drives 95 km/hr. If the trip took a total of 8 hours, how many kilometers apart are the two towns?
Answer by dkppathak(439) (Show Source): You can put this solution on YOUR website!
let distance between two city A and B is x km
speed =distance/time
time =distance /speed
let first case
t1 =x/105
and same way t2= x/95
as per given conditions we can say
t1+t2 =8
x/105 +x/95 =8
95x+105x/95multiplied by 105 =8
200x=8x95x105
x=399 km
distance between two town is 399 km
ANSWER
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