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A caterpillar climbs up a one-meter wall. For every 2 cm it climbs up, it slides down 1...

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user8294794 | High School Teacher | eNoter

Posted June 3, 2013 at 4:08 PM via web

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A caterpillar climbs up a one-meter wall. For every 2 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top. Calculate the time involved in seconds (not minutes)

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted June 3, 2013 at 4:39 PM (Answer #1)

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The caterpillar climbs up a one-meter wall. For every 2 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top.

In this problem, the fact that the caterpillar slides down 1 cm for every 2 cm it climbs is irrelevant as the there is no mention of the time taken by the caterpillar to climb 2 cm. The time given is that taken by the caterpillar to climb to the top.

As the caterpillar can climb 1 m and reach the top of the wall in 10 minutes the time taken by it in terms of seconds is 10*60 = 600.

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