exam Maths Puzzle Numerical Ability

The sum of two numbers is 240. The larger number is 6 less than twice the smaller. Find the numbers.

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exam Other Question

A. Find the equation of the line passing through the points (3, -5) and ( 1, -2).

B. Find the equation of the line perpendicular to the line you found above and passing throught the point ( -1, - 2) Describe the solutions of ax^2-bx+c=0 if b^2-4ac<0? You have to describe how many roots there are. thanks!