Answer:
350 calories
Step-by-step explanation:
divide 50 by 3 then multiply that number by 21.
 
        
             
        
        
        
150 miles at a rate of 60 miles per hour. 150/60=2.5 hours
He figures that it will take 25 hours. Wrong
        
                    
             
        
        
        

Step-by-step explanation:
The given equation is 
Let  be the coefficient of
 be the coefficient of 
Let  be the coefficient of
 be the coefficient of 
Let  be the constant.
 be the constant.
Then the roots α,β for the equation  are
 are 
So,α=
β= .
.
So the roots are 