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A man took 3 minutes to saw a wooden plank into 4 pieces.how long will he take to saw it into 15 pieces?

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by avishisingh

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by avishisingh

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Therefore, 4 divided by 3 = 1.333333333

Then, we have to multiply 1 into how many pieces we want,i.e, 15.

Hence, 1.333333333 into 15 = 20

Therefore, it will take the man 20 minutes to cut the wooden plank into 15 pieces.