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A snail moves forward by 3 cm in 1 minute, and then moves backward in next minute by 2 cm. He repeats this cycle in his movement. To reach food at a distance of 10 cm, how much time will he need?

Question

A snail moves forward by 3 cm in 1 minute, and then moves backward in next minute by 2 cm. He repeats this cycle in his movement. To reach food at a distance of 10 cm, how much time will he need?

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Solution

Sure, let's break this down:

  1. In each cycle of moving forward and backward, the snail effectively moves 1 cm (3 cm forward - 2 cm backward = 1 cm) in 2 minutes.

  2. To move 10 cm, the snail will need to complete this cycle 10 times (10 cm / 1 cm per cycle = 10 cycles).

  3. Each cycle takes 2 minutes, so 10 cycles will take 20 minutes (10 cycles * 2 minutes per cycle = 20 minutes).

So, the snail will need 20 minutes to reach the food.

This problem has been solved

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