A is the answer 7th graders are not likely
        
             
        
        
        
Step-by-step explanation:
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The "CORRECT" answer is 746 with a remainder of 1
I hope this helps. 
Have a "AWESOME" day! 
:)
        
                    
             
        
        
        
The answer is:  " 
11 " .
____________________________________________________            →     " 
x  =  11  "  .
____________________________________________________Explanation:____________________________________________________Set up the ratio/ proportion as a fraction:
6 cm / 48 cm = 5 cm / (3x + 7) ; 
→ The "cm" units cancel out; since:  "cm/cm = 1 " ; 
→ The "6/48" = "(6 ÷ 6) / (48 ÷ 6) =  " 1/8 " ; 
→ Rewrite as:  

 ;
Now, we can "cross-multiply" :
__________________________________________________<u>Note</u>:  
 ;  

 ; 
              {b

 ;  d 

} .
__________________________________________________ As such:       
    1 * (3x + 7) = 8 * 5 ; 
   →  3x + 7 = 40 ; 
Subtract "
7" from each side of the equation:
   →  3x + 7 − 7 = 40 <span>− 7 ; 
</span>
to get:  
   → 3x = 33 ; 
Now, divide each side of the equation by "
3" ; 
   to isolate "x" on one side of the equation; & to solve for "x" ; 
   →  3x / 3 = 33 / 3 ; 
to get: 
____________________________________________________     →    " 
x = 11 " .
____________________________________________________   →   
The answer is:  "
 11 " .
____________________________________________________