Need help with Algebra Problem

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Bob and Peter went for a walk. Bob began walking 20 seconds earlier than Peter. Bob walked at a speed of 5 feet per second. Peter walked at a speed of 6 feet per second. For how many seconds had Bob been walking at the moment when the 2 boys had walked exactly the same distance?

May 27th, 2015

assume that Bob had been walking for x seconds when they had walked exactly same distance

6x=5(x+20)

6x=5x+100

x=100s

thus Bob had been walking for 100 seconds when they had walked exactly same distance


May 27th, 2015

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