She will be 56 after 14 years from now
        
             
        
        
        
There are infinite equivalent fraction can be obtained just multiple by any number to both numerator and denominator and you will find equivalent fraction !
as 42/16, 63/24 etc
        
             
        
        
        
Mike biked 10 miles in 1.5 hours. Mila bikes at the same rate too.
Therefore, she will bike x miles in 3.5 hours
(10/1.5) = (x/3.5)
You cross multiply
1.5x = 10 x 3.5
1.5x = 35
x = 35/1.5
x = 23 miles (approximately) 
I hope this helps 
 
        
             
        
        
        
The answer is B. Hope that helps
        
             
        
        
        
The percent of decrease is 12.5 but if you need it rounded to the nearest whole number it is 13