Mathematics, 09.10.2021 01:00 cuddleslugsovifat

1) La base de un pozo cilíndrico de cemento tiene una superficie de 45 metros cuadrados. El agua potable que contiene alcanza los 2,5 metros
de altura, y para vaciarlo se utiliza una motobomba que extrae 8 hl
(hectolitros) por minuto.
a) ¿Cuántas horas tardará la bomba en vaciarlo?
b) ¿Cuántos 3
le habrá faltado al pozo para que se llene
completamente si su altura máxima es de 3,4 metros?

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