Answer:
3 and 1/3
Explanation:
.................................................................................................................................
 
        
                    
             
        
        
        
15 is the answer!  <span>Leonardo da Vinci (baptised Leonardo di ser Piero da Vinci) ( pronunciation (help. info)), (April </span>15<span>, </span>1452<span> – May 2, 1519) was one of the leading artists of the High Latt. </span>Fifteen<span> works are generally attributed either in whole or in large part to him.</span>
        
             
        
        
        
Answer:You could practice until you get it wrong then that part that you get wrong at then you could just do it over an over until you get it right it is good for band practice to be at least 15 min but 30 is better. Also you have a good day and good luck.
Explanation:Do 15-30 min a day of practice at least. An I know what to do because I have been in band for 3 years now and happy.