38 yard piece for each student and there are 16 students:
38*16=608
608 yards needed for your class
        
                    
             
        
        
        
7 gallons for minute because 49 divided by 7 (which is the mins) would be 7. Leading to the answer of ) gallons per minute
        
             
        
        
        
Given:
y is proportional to x.
y=10 and x=8.
To find:
The constant of proportionality and the equation for the proportional relationship.
Solution:
y is proportional to x.

 ...(i)
               ...(i)
Where, k is the constant of proportionality.
Putting y=10 and x=8, we get



Putting  in (i), we get
 in (i), we get

Therefore, the contestant of proportionality is  and the equation for the proportional relationship is
 and the equation for the proportional relationship is   .
.