Answer:
David's score= 160 ;  Aaron's score = 55
Step-by-step explanation:
let Aaron's score be 'x'.
so, David's score will be 3x - 5
(3x - 5) + x = 215
3x + x - 5 = 215
4x = 215 + 5
4x = 220
x = 220/4
x = 55
therefore, Aaron's score = 55 
David's score is (3x - 5) = (3*55) - 5 = 165 - 5 = 160
 
        
             
        
        
        
Answer:
49
Step-by-step explanation:
1.21 x 49 = 59.29
 
        
             
        
        
        
The answer is 7/8. 28/4 = 7, 32/4=8.