A. files * photo percentage = photos. 
b. 250 * 0.12 = 30
        
             
        
        
        
 since 10 students is the most amount of kids on each bus, you can fit less than 10 people on it. so i don't know if the question wants each bus to have to same amount of students or each bus having different amounts.
        
             
        
        
        
3x - 2y = 1
2x + 2y = 4
Add the second equation to the first
5x     = 5
2x + 2y = 4
Divide the first equation by 5
x        = 1
2x + 2y = 4
Subtract the first equation from the second
x        = 1
x + 2y = 3
Subtract the first equation from the second again
x        = 1
    2y = 2
Divide the second equation by 2
x        = 1
       y = 1
<h3>
So, the solution is  x = 1  and  y = 1  {or: (1, 1)} </h3>
 
        
             
        
        
        
Answer:
(4,8)
Step-by-step explanation:
4 + 8 = 12
3(4) + 8(8)
= 12 + 64
= 76