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Maths Puzzle
Numerical Ability
I am not sure how to solve this problem when there is a x^3
x^3 + y = 0
x^2 - y + 0
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{{{ (1/2) x + (3/4) y = 6 }}}
A family of four is preparing to run in the L.A. marathon. A father runs at four miles per hour, mother runs at three and one-half miles per hour, daughter runs at four and one-hal