How Much Coal Is a Train Carrying After It Leaves Buffalo if the Train Carrying 34 Ton Of Coal Drops Off 13 Ton In Pittsburg Then Drops Off 16 Ton In Buffalo?

The train initially carries 34 tons of coal. After dropping off 13 tons in Pittsburgh, it has 21 tons left (34 - 13 = 21). Then, after dropping off 16 tons in Buffalo, it is left with 5 tons (21 - 16 = 5). Therefore, the train is carrying 5 tons of coal after leaving Buffalo.