Hello,
Shall we begin?
1. what is 10% of 20?      = 20 * 0.1 = 2
2.What is 5% of 10?        = 10 * 0.05 = 0,5
3. What is 25% of 100?   = 100 * 0,25 = 25
4. What is 15% of 50?     = 50 * 0.15 = 7,5
5. What is 30% of 60?     = 60 * 0,3 = 18
6. What is 50% of 80?     = 80 * 0,5 = 40
7. What is 20% of 120?   = 120 * 0,2 = 24
8. What is 35% of 70?     = 70 * 0,35 = 24.5
9. What is 75% of 150?   = 150 * 0,75 = 112.5
10. What is 60% of 90?   = 90 * 0,6 = 54
11. What is 40% of 40?   = 40 * 0,4 = 16
12. What is 55% of 110? = 110 * 0.55 = 60.5
13. What is 80% of 130? = 130 * 0,80 = 104
        
                    
             
        
        
        
Step-by-step explanation:
ANGLE STR AND ANGLE VWT IS THE RIGHT ANSWER
 
        
                    
             
        
        
        
No, because 13.2 times 6=79.2
79.2 times 8=633.6