<span> 303.6 that is your anser</span>
        
             
        
        
        
-7 times -8 is 56 and -40 divided by 10 is -4
        
             
        
        
        
<span>C. The older brother payed bill $12 .75 and the younger brother does not owe him any money</span>
        
             
        
        
        
Given:
<span>F= $335,000 
n = 30 years at a fixed rate of i = 7.5% 
Required:
the total cost of the principal 
Solution:
F = P(1+i)^n
P = F/(1+i)^n
P = 335,000 / (1.0.075)^30
P = 38,264.05</span>
        
             
        
        
        
T chart but thats all i can think of