Answer:
12
Step-by-step explanation:
 
        
             
        
        
        
<h3>I hope it is helpful for you </h3>
 
        
        
        
Answer:
see explanation
Step-by-step explanation:
(1)
 =
 =  ( cross- multiply )
 ( cross- multiply )
6p = 8 ( divide both sides by 6 )
p =  =
 = 
(2)
 =
 =  ( cross- multiply )
 ( cross- multiply )
7n = 32 ( divide both sides by 7 )
n = 
(3)
 =
 =  ( cross- multiply )
 ( cross- multiply )
3x = 20 ( divide both sides by 3 )
x = 
 
        
             
        
        
        
He used an incorrect time ratio converting hours to minutes.