a is the answer, as i is irrational no 
 
        
             
        
        
        
If there are 4 people and you want the time for EACH person then you would do 62.59 
Which = 15.6475
        
             
        
        
        
No one because their is no fractions Or whole numbers or even decimals to show the amount that they ran please check to see if their is any other part to this question
        
             
        
        
        
Answer- since you are buying x packs of pencils, 2x packs of erasers, and 3x rolls of tape, you would be buying a total of 6x items.