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 dÃas y el hijo proyecta hacerlo en 30 dÃas, ¿en cuántos dÃas 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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