SOLUTION: i dont know how to solve this can you help? lisa left home in a car that was traveling at 48kph she walked home along the same route at a rate of 6kph the round trip took 1 hour an
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Question 699259: i dont know how to solve this can you help? lisa left home in a car that was traveling at 48kph she walked home along the same route at a rate of 6kph the round trip took 1 hour and 30 minutes. how far did lisa walk? Found 2 solutions by solver91311, lwsshak3:Answer by solver91311(24713) (Show Source):
Distance equals rate times time. If represents the amount of time she walked, then represents the amount of time she rode. And kilometers is the distance she rode in the car and is the distance she walked. Presuming no one moved her home while she was gone, these distances have to be the same.
Solve for , then calculate
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
You can put this solution on YOUR website! lisa left home in a car that was traveling at 48kph she walked home along the same route at a rate of 6kph the round trip took 1 hour and 30 minutes. how far did lisa walk?
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let x=distance lisa walked and car traveled
travel time=distance/speed
1 hour and 30 min=3/2 hr
..
x/48+x/6=3/2
LCD:48
x+8x=72
9x=72
x=8
distance lisa walked=8 km
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