Answer:
a + 56.75 = 76.75
Step-by-step explanation:
that is because ,money raised on first day(a) + money raised on second day = 76.75
that gives us,  a = $20 
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:






 
        
             
        
        
        
10:4 
35:14
55:22
10:4 divided by 2:2=5:2
35:14 divided by 7:7= 5:2
55:22 divided by 11:11= 5:2