Question

me ajudem por favor .

Answer 1

A) 3000 garrafas >>> 6 horas
 4000 garrafas > x horas

3000x = 4000 * 6

3000 x = 24000

x= 24000/3

x= 8 horas.
 
B) litros            minutos
50                  20
600                 x
+                     +


50x=600.20
x=12000/50
x=240min

transformando em horas
240/60=4hs

C) M2                  horas
5.100                 3
11.900               x
+                       +


5.100x=3 x 11.900
x=35700/5.100
x=7horas