Answer:
30 days
Step-by-step explanation:
The common multiples of 15 and 6 are 30, 60, 90 etc and because it increases by 30 each time we can find out that he will play both football and basketball together in thirty days!
 
        
             
        
        
        
The answer to the question
 
        
        
        
Answer:
54 in
Step-by-step explanation:
9 inches x 6 inches