SOLUTION: a number of people boarded a bus at the terminal.at the first shop,half of the pessangers got off and 1 got on.at the second stop,1/3 of the pessangers on the bus got off and 1 got

Question 1153155: a number of people boarded a bus at the terminal.at the first shop,half of the pessangers got off and 1 got on.at the second stop,1/3 of the pessangers on the bus got off and 1 got on.if the bus then had 15 pessangers,how many were there when the bus left the terminal??
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number that boarded at the terminal
After the 1st stop;
are left
After 2nd stop:
are left

Multiply both sides by

40 passengers left the terminal
-------------------------------------
check:
1/2 got off, 1 got on
left
2/3 are left, 1 got on
are left
OK

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