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###### Pre-Algebra Extra Credit Solve Multi-Step EquationsAGES Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel?

Pre-Algebra Extra Credit Solve Multi-Step Equations AGES Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel?

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A disc of 2 kg mass is located on an ice rink between two springs with constants of 8 N m separated by a distance of 10 meters. The disc starts from the middle point between the two springs towards the right one at a speed of 1.5 m / $, compresses it and then goes to the spring on the left: to Deter...

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