2 is the correct answer I'm almost definite
        
                    
             
        
        
        
Your answer is .6 repeating or 2/3 per person.
 
        
             
        
        
        
Trick question — it’s a right triangle.  Here’s why:
23 + 67 = 90.  All triangles have an interior angle sum of 180.  180 - 90 = 90.  90 degrees is right, and therefore, having a right angle, this is a right triangle.
        
             
        
        
        
Answer:
The quickest answer is to take the number 72 and divide it by the rate of interest. In this case, it would take approximately 72/6, or 12 years to double.
Step-by-step explanation: