Question 1144452: mr. and mrs. austria love to run around the town. from past experiences, they know that mr. austria can run 6km in the time it takes mrs. austria to run 4km. they have decided that they need to run the same distance, 9km, and finish together. how much of a head start does mrs. austria need them to finish together?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! mr. and mrs. austria love to run around the town. from past experiences, they know that mr. austria can run 6 km in the time it takes mrs. austria to run 4km. they have decided that they need to run the same distance, 9 km, and finish together. how much of a head start does mrs. austria need them to finish together?
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It's the same distance if they start together and the faster person runs 9 km.
Mr. takes 1.5 hours.
Mrs. runs 6 km in 1.5 hours
------> 3 kms
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