kRachael went to the internet cafe traveling 6 mph and returned home traveling 4 mph. If the total trip took 5 hours, how long did Rachael travel at each speed?
hour at 6 mph
hour at 4 mph

Question

kRachael went to the internet cafe traveling 6 mph and returned home traveling 4 mph. If the total trip took 5 hours, how long did Rachael travel at each speed?
hour at 6 mph
hour at 4 mph

anonymous · Answer

let S be the distance travelled therefore : $$\frac{S}{6}+\frac{S}{4} = 5 $$ now simplify for S u will get the distance.

anonymous · Answer

the distance is 12.. now what formula should i use to find the time for each speed?

anonymous · Answer

velocity = distance/time

anonymous · Answer

t2 = 5 - t1
6 t1 = 4 ( 5 - t1)
10 t1 = 20
     t1 = 2 hrs
=>t2 = ...