The prime factorization of the numerator, 315, is 5 x 3 x 3 x 7. That of the denominator, 1575 is 5 x 5 x 3 x 3 x 7. To convert the fraction to its lowest form, cancel all the factors that appear to both the numerator and denominator. We will be left with 1/5. 
        
             
        
        
        
D i think because stimuli is a responce right ?
        
             
        
        
        
s n a ke =4 they are only 4 sound in snake when you sound it out
 
        
                    
             
        
        
        
It takes her (100 mi)/(50 mi/h) = 2 h to get to her destination. She has 1 h 40 min = 100 min for her 100 mi return trip.
.. (100 mi)/(100 min) = (60 mi)/(60 min) = 60 mi/h
She must return at the rate of 60 mph to complete the trip in 3 h 40 min.
        
                    
             
        
        
        
Here's the solution,
The given triangle is a right angled triangle,
So, by Using Trigonometry :
=》

=》

=》

=》

hence, value of x = 6.5 units