exam Maths Puzzle Numerical Ability

Multiply the fractions. Be sure to simplify completely.

2x^2-x-3 3x^2-11x-20
--------- X ------------- =
3x^2+7x+4 4x^2-9

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exam Other Question

With a given tail wind, an airplane can travel 1080 mph in six hours. But flying in the opposite direction with the same wind blowing, the plane can fly only one-third of that dist It is known that the demand for coffee is linearly related to the price per pound p, measured in dollars, at which the coffee is sold. This linear function D(p) has the properties