SOLUTION: The capacity of an elevator is either 20 children or 15 adults. If 8 children are currently in the elevator, how many adults can still get on?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The capacity of an elevator is either 20 children or 15 adults. If 8 children are currently in the elevator, how many adults can still get on?      Log On


   



Question 440556: The capacity of an elevator is either 20 children or 15 adults. If 8 children are currently in the elevator, how many adults can still get on?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
15a=20c
c=15/20=3/4 adult
.
8 * 3/4 = 6 adult equivalents are on the elevator.
15-6=9 adults can still get on.
.
Ed