So i believe its <span> a21 = 109 a21 = 85 a21 = 108 a21 = 104.
So the answer would be 104 
Hope this helps</span>
        
             
        
        
        
Answer:
60
Step-by-step explanation:
Multiples of 20:
20, 40, <u>60</u>, 80, 100
Multiples of 30:
30, <u>60</u>, 90, 120
so the LCM(20, 30)=60
Hope this helps!! <3
 
        
             
        
        
        
Answer:
-96.45
Step-by-step explanation:
You take 71.25 and add it to 25.20 because you know that he had 71.25 in is accound already but he went into debt 
 
        
             
        
        
        
The scale factor would be 3