Hi,
The admission fee at a county fair is $1.50 for children and $4.00 for adults.
 On a particular day, 2200 people enter the fair and $5050 is collected. 
How many children and how many adults
 and how many adults attended?
 attended? 
Question states***
 y + x = 2200  0r  
4.00y + 1.50x = $5050
 4y + 1.5(2200-y) = 5050
         2.5y = 1750  
            y = 700 , the number of adult tickets, children 1500
and...
