Answer:
80%
Step-by-step explanation:
Percent increase is calculated as
 × 100%
 × 100%
Increase = $27 - $15 = $12 , then
percent increase =  × 100% = 0.8 × 100% = 80%
 × 100% = 0.8 × 100% = 80%
 
        
                    
             
        
        
        
What the that needs to be solved
        
             
        
        
        
Answer:
take 40 degree as reference angle
using sine rule
let opposite be x
sine 40=opposite/hypotenuse
0.64=x/7
0.64*7=x
4.48=x
Step-by-step explanation:
 
        
             
        
        
        
I think the answer is B but i could be wrong