Question: The safe, uniformly distributed load L on a horizontal beam, supported at both ends, varies jointly as the width w and the square of the

The safe, uniformly distributed load L on a horizontal beam, supported at both ends, varies jointly as the width w and the square of the depth d and inversely as the distance D between supports. Given that one beam has double the dimensions of another, how many times heavier is the safe load it can support than the first can support?

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