The answer to 22 is C) One person caught fewer that 3 fish.
        
             
        
        
        
Just watch videos on youtube.
        
             
        
        
        
Answer:
y.
Step-by-step explanation:
 
        
             
        
        
        
You could write 42/20 for #60.
        
             
        
        
        
Answer:
Let us assume the total number of students surveyed = x
Then
Number of students preferring red = x/4
Number of students preferring blue = x/8
Then
Number of students remaining = x - [(x/4) + (x/8)]
                                                   =x - [(2x + x)/8)
                                                   = x - (3x/8)
                                                   = (8x - 3x)/8
                                                   = 5x/8
Number of students preferring the color green = (3/5) * (5x/8)
                                                                           = 3x/8
We also know that the total number of students preferring the color green is 15
So
3x/8 = 15
3x = 15 * 8
x = (15 * 8)/3
   = 5 * 8
   = 40
So in total 40 students were surveyed. I hope the procedure is clear to you.
Step-by-step explanation: