SOLUTION: There are some passengers on a bus. when the bus arrives at the first stop, 2/3 of the passengers get off and 12 passengers get on. At this moment, there are 75 passengers on the b

Algebra ->  Equations -> SOLUTION: There are some passengers on a bus. when the bus arrives at the first stop, 2/3 of the passengers get off and 12 passengers get on. At this moment, there are 75 passengers on the b      Log On


   

Question 1053863: There are some passengers on a bus. when the bus arrives at the first stop, 2/3 of the passengers get off and 12 passengers get on. At this moment, there are 75 passengers on the bus. Find the original number of passengers on the bus.







Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let's start with N passengers.
%282%2F3%29N leave, so %281%2F3%29N are still on the bus plus the 12 gives you,
%281%2F3%29N%2B12=75
%281%2F3%29N=63
N=189
That's a big bus.