You are given that 1 inch = 2.54 centimeters, so to convert 12.4 inches to centimeters, you would multiply 12.4 in by 2.54 cm.
 
        
             
        
        
        
The quotient of some number and four.
        
             
        
        
        
Refer the attachment for your answer :) 
 
        
             
        
        
        
Simplify for -5/8*2/3= -5/12 
-0.416 as a mixed number
 
        
             
        
        
        

 = h   Multiply both sides by g to cancel out the fraction
f - 7 = gh   Add 7 to both sides   
  f = gh + 7