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Allan Lang
11/27/2023 · Primary School

Lee y resuelve. 170. 20 máquinas trahajan un rerreno de 60 hectáteas en 18 dias, ¿Cuántas máquinas iguales traba- ¡arán un terreno de 36 hecráreas en 12 dias? 171. Un grupo de 4 tejedores produce 320 chalecos en 10 dias. ¿Cuántos chalecos producirán 10 te- jedores, de igual rendimiento que los anteriores, en 16 dias?

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Para el problema 170, se necesitan 18 máquinas para trabajar en un terreno de 36 hectáreas en 12 días. Para el problema 171, 10 tejedores producirán 1280 chalecos en 16 días.

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