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Mathematics, 17.04.2021 01:00 kenzielema12
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Un obrero arma 45 mesas en 9 horas si al día siguiente tiene que armar 60 mesas, ¿Cuántas horas debe trabajar?
Para empapelar una habitación se utilizan 9 rollos de papel de 0,60 metros de ancho. ¿Cuántos rollos de 45 centímetros de ancho se necesitan para empapelar la misma habitación?
Un grupo de 18 trabajadores pueden hacer una obra en 20 días. ¿en cuántos días terminaran la misma obra, 24 trabajadores?
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