exam Maths Puzzle Numerical Ability

The area of a rectangle of length x is given by 3x^2+5x. Find the width of the rectangle.

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Rational Expressions

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7 + [1/(x - 5)] Two jeeps at a 90 degree angle to each other try to pull a car out of the snow. If one jeep exerts a force of 600lbs. and the other exerts a force of 800lbs , what is the resulting force on the car stuck in the snow?