exam Maths Puzzle Numerical Ability

Two children on a seesaw that is 1o ft long. One child weighs 65 lb. The other child weighs 80lb. How far from the eighty-pound child should the fulcrum of the seesaw be placed so the seesaw balances?

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exam Other Question
Solve the matrix equation:

|4-5||m|=|32|
|1 2||n |=|-5|

Thank You Find the slope of a line passing through (-4, 6) and (-2, 5)