Answer:
x=-1
Step-by-step explanation:
just like 8/8 is 1 the same concept only you add a negative
 
        
                    
             
        
        
        
Grade 7 got total 88 books 
No. Of books given on Friday = 63
No. Of books on Tuesday =g
g = 88 - 63
g = 25
        
             
        
        
        
Multiply 1.275 with 51 to get the answer (65.025)