exam Maths Puzzle Numerical Ability

perimeter of a rectangle = 230 what are the demensions if the length is 5ft less than 2x the width

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exam Other Question

Consider the line y=6/5x+3 . The x is in the middle of the fraction 6/5x.

What is the slope of a line perpendicular to this line?
What is the slope of a line parallel to this line? With these equations: z=x-y+4, z=y-w-3, and z=w-x+5 , what is the value of z?