Problem to solve.
1. A smaller child of 15 Kg came to play with a 20 Kg child on a teeter-totter. The length of the
teeter-totter is 4 m. The smaller child sat all the way at the end of the teeter-totter. Where
must the 20 kg child sit to exactly balance her playmate? Use the equations and correct units
in showing your solution.



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