First let's define variables:
 r: reading
 s: skimming
 We write the system of equations that adapts to the problem:
 r + s = 275
 (15/10) r + (10/15) s = 355
 We solve the system of equations:
 r = 206
 s = 69
 Note: see attached image for system solution.
 Answer: 
 Jayden had to skim 69 pages through
 
        
        
        
Yes is the answer click it
        
             
        
        
        
Step-by-step explanation:
x-3>7 =>
x>10
hope this helps
 
        
             
        
        
        
I believe Jessica’s rate in miles per hour is 0.9.