exam Maths Puzzle Numerical Ability




6x+3y=12 y+2x=-2

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exam Other Question
Airport B is 200 miles from airport A on a course of 52 degrees.To reach airport C, a plane flies from A on course of 346 degrees or from B on a course 302 degrees.Find the distanc please i need help with this problem find the maximum value of y= -x^2+6x