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demoskopico
01-28-2008, 12:40 AM
I found many problems with movement, mostly in problems where people meet each other. see example. thanks for explanations

Lionel left his house and walked towards the house of Walt, 48 miles away. Two hours later, Walt left his house and ran towards the house of Lionel. If Lionels speed was 4 miles per hour and Walt's 6 miles per hour, how many miles had Lionel walked when he met Walt?

12
16
20
24
28

kevin
01-28-2008, 07:20 AM
Remember that they will meet when they have travelled a total of 40 miles from the moment that Walter started running, right?