You would pay 80% of the original price because 1/5 is 20% and you would subtract 20 from 100 to get 80 as your answer 
Hope this Helps :3
        
             
        
        
        
Tan -1 = 13/21
31.7
32degrees
        
             
        
        
        
Two equivalent fractions equations are
r + 6
6 + r <span />
        
                    
             
        
        
        
Answer:
1115322
Step-by-step explanation:
In 1906, San Francisco felt the impact of an earthquake with a magnitude of 7.8.
Claimed statement is he worst is yet to come, with an earthquake 142,990 times  as intense as the 1906 earthquake ready to hit San Francisco.
We need to find the magnitude of their  claimed earthquake.
It can be calculated by simply multiplying 142,990 by 7.8 as follows :

The magnitude of claimed earthquake is 1115322
.