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October 20, 2014

October 20, 2014

Posted by **Anthony** on Thursday, August 7, 2014 at 10:52pm.

- Math -
**Anonymous**, Thursday, August 7, 2014 at 11:03pmIt's a levers problem.

So You need to know following.

Weight1 *Distance1(from fulcrum)=W2 *D2

What is child's weight? If 70 lb,

70 *5 =175 * X

So X=2

Adult need to sit 2 feet from the fulcrum.

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