b) five more than m
"m in addition to 5"= m+5
 
        
             
        
        
        
Equation: (70 + 70*.05) + (580 + 580*.07) + (620 + 620*.10) = Total Spent
Solving for this gets you $1320.30.
        
             
        
        
        
3x - 12
3(3x/3 - 12/3)
3(x - 4)
The answer is: 3(x - 4).
        
                    
             
        
        
        
The end of his round on Saturday was a -5, and the end of his round on Sunday was a 0.