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Two children are on a seesaw that has negligible mass and is two meters long.

One child sits at the end to the left and has a weight of $400\text{ Newtons}$. The second child sits to the right of the fulcrum and weighs $300\text{ Newtons}$.

Which of the following distances is closest to where the fulcrum must be placed (as measured from the left) for the seesaw to be balanced?

A

$d = 86\text{ cm}$

B

$d = 14\text{ cm}$

C

$d = 1.14\text{ m}$

D

$d = 67\text{ cm}$

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