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Maths Puzzle
Numerical Ability
x=1,y=-2
3x^2y-4xy^2+xy
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book Other Question
solving for x:
3n-2/5 = 7/10
The Jones family drove to Disneyland at 50 mph and returned on the same route at 40 mph. find the distance to Disneyland if the total driving time was 7.2 hours.