m = 4b+3  mikes age
m +b <138      mike +brother less than 138
4b+3+b<138
5b +3< 138
b< 135
b <27
The  oldest the brother can be is 26
 
        
             
        
        
        
In simplified form, the answer would be -16x+51
        
             
        
        
        
Interest charged: I=prn=6700*0.135*5 = 4522.50
Total re-payment: 6700+4522.50 = 11 222.50
        
             
        
        
        
Answer:
16/63
Step-by-step explanation:
8/9 * 2/7
Multiply the numerators
8*2 = 16
Multiply the denominators
9*7 = 63
Put the numerator over the denominator
16/63
 
        
                    
             
        
        
        
Answer:
9 3/6 ⇒ 19/2 
 3 4/6 ⇒ 11/3 
Step-by-step explanation:
A fraction greater than one is an improper fraction.
 when converted into an improper fraction is
 when converted into an improper fraction is 

 when converted to a fraction is
 when converted to a fraction is 

Thus fractions  and
 and  when converted to fractions greater than one are
 when converted to fractions greater than one are  and
 and  respectively.
 respectively.