What is 3b plus 12 divided by 2 what is b ?
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Hi there!
So we know that the two train together is a total of 192 tons and the difference of their weights is 120 tons...
Ok let think...
When we’re looking at the once place, you’ll see a two... this means that the two train both have a ending of 1 since 2 is split into 1...
That would be another clue..
Now let think again...
If it would be 151 and we subtract by 120.. we would get...
Well it ends with a 1 so it would be perfect but we have to see if 151 and 31 together adds up with the total of 192..
This means that train A could be 151 tons or 31 tons and train B can also be wither 151 tons or 31 tons...