SOLUTION: Every day, Jane and Bill both drive to a parking lot, and then take a subway to get to work. Jane drives 25 km at 60 km/h, and then takes a northbound subway that averages 35 km/h
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Question 1204324: Every day, Jane and Bill both drive to a parking lot, and then take a subway to get to work. Jane drives 25 km at 60 km/h, and then takes a northbound subway that averages 35 km/h for 18 km while Bill drives 40 km at 80 km/h and then takes a southbound subway that averages 24 km/h for 25 km. It takes each of them 15 minutes to change from car to subway, and they arrive at the same destination at 8:30 a.m. At what time does the earliest of them leave home?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Every day, Jane and Bill both drive to a parking lot, and then take a subway to get to work.
Jane drives at , and then takes a northbound subway that averages for
while Bill drives at and then takes a southbound subway that averages for .
It takes each of them to change from car to subway, and they arrive at the same destination at .
At what time does the earliest of them leave home?
Janes time:
takes a northbound subway that averages
Bill's time:
takes a southbound subway that averages
Add to each one's time
Jane's time:
=>’
'
-
’
---------------------------------
’
Bill's time:
=>’ to the nearest minute
'
-
’
---------------------------------
’
Answers:
Jane =
Bill =
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