Mathematics, 22.07.2020 20:01 sketchers

Un padre de familia y su hijo, pintores de profesión, firman un contrato para realizar la obra de pintado de un conjunto multifamiliar. Si el padre hace el trabajo en 15 días y el hijo proyecta hacerlo en 30 días, ¿en cuántos días harán dicho trabajo, juntos?

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Un padre de familia y su hijo, pintores de profesión, firman un contrato para realizar la obra de pi...

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