exam Maths Puzzle Numerical Ability

The perimeter of a rectanngle is 160ft. One fourth the length is the same as twice the width. Find the dimensions of the rectangle.

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Re: Absolute Value Inequalities
Solve -

5|x-3|>10
i am lost, is it possible to foil this, (3+h)^3......the third power is throwing me off here, any help would be greatly appreciated