Posted by Gaby on .
I'm confused. Can you help?
"The community pool charges $8.00 for adults and $5.00 for children. The total revenue for a
particular cloudy day is $648.00. Determine the number of adults and the number of children who
went to the pool that day if twice as many children paid for admission as adults."

algebra 
Steve,
if there were a adults, there were 2a children, so
8*a + 5*2a = 648
18a = 648
a = 36
36 adults and 72 children