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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. What is the distance traveled? (Round the number to the nearest hundred.)

Respuesta :

The distance travelled by the caterpillar is 1.5 m

Explanation:

We can solve the problem in the following way:

We know that for every 2 cm climbed up by the caterpillar, it also slides down by 1 cm.

This means, for instance, that when the caterpillar climbs up 4 cm, it also slided down a total of 2 cm; if it climbed up 10 cm, he has slided down a total of 5 cm, etc..

Here we know that the distance climbed up by the caterpillar is

[tex]d_{up}=1 m[/tex] (the height of the wall)

This means that the distance through which the caterpillar has slided down is

[tex]d_{down} = 0.5 m[/tex]

Therefore, the total distance travelled by the caterpillar is

[tex]d=d_{up}+d_{down} = 1.0 + 0.5 = 1.5 m[/tex]

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