It is 8
1.4 (-.- u really didnt kno that?)
2 is the lowest common multiple of the two but 4 also goes into them both.
40
40% of 56= 40% * 56= 0.4 * 56= 22.4
56
8, 16, 24, 32. 40, 48, 56 They increase by 8 each time
It goes on 0.56 times.
56 CBM
It is: (56-40)/40 times 100 = 40% increase
40/56 = 5/7
100(56/140) = 40 %.