Question
. Walking beside you, your friend takes 50 strides per minute while you take 48 strides per minute. If you begin in step, when will you and your friend again be in step?
Step 1
The LCM of 50 and 48 is 1200. Show more…
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Walloing beside you, your friend takes 50 strides per minute while you take 48 strides per minute. If you start in step, you'll soon be out of step. When will you be in step again?
Follow-up Suppose in Guided Example $2.7$ that your friend stops walking $2.2 \mathrm{~s}$ after you step onto the moving walkway. How long does it take you to catch up with your friend in this case?
You and a friend start off at noon and walk in the same direction along the same path at the rates shown. (a) Who is walking faster at 2 pm? Who is ahead at 2 pm? (b) Who is walking faster at 3 pm? Who is ahead at 3 pm? (c) When will you and your friend be together? (Answer in words.)
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