Answer:
118.8
Step-by-step explanation:
Profit=10%
 =10/100 × $132
 =$13.2
Cost price=Selling price- Cost price
 =$132-$13.2
 =$118.8
 
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
6^21 = B 
Step-by-step explanation:
![[6^{7} ]^{3} \\(6)^7^*^3\\6 ^{21} \\](https://tex.z-dn.net/?f=%5B6%5E%7B7%7D%20%5D%5E%7B3%7D%20%5C%5C%286%29%5E7%5E%2A%5E3%5C%5C6%20%5E%7B21%7D%20%5C%5C)
 
        
                    
             
        
        
        
It will take approx.65 of caffeine remaining after 6 hours
        
             
        
        
        
Answer:   x = 39/10     y = 29/5