SOLUTION: There were 3/5 as many children as adults on a bus. At the next stop, 3 children boarded and 2 adults alighted from the bus. Then, there were 5/6 as many children as adults on t

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: There were 3/5 as many children as adults on a bus. At the next stop, 3 children boarded and 2 adults alighted from the bus. Then, there were 5/6 as many children as adults on t      Log On


   



Question 868567: There were 3/5 as many children as adults on a bus. At the next stop, 3 children boarded and 2 adults alighted from the bus. Then, there were 5/6 as many children as adults on the bus. How many children were there on the bus at first ?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
c/a=3/5,
(c+3)/(a-2)=5/6
a=20
c=12
12/20=3/5
15/18=5/6
ok