Answer:
3
1
Step-by-step explanation:
 
        
             
        
        
        
4.5w = 5.1w - 30
4.5w - 5.1w = -30
-0.6w =-30
Divide both sides by -0.6
-0.6w/-0.6 = -30/-0.6
<span>w = 50
</span>I hope this helps.
        
             
        
        
        
Answer:
Division means sharing an item equally. A fraction has two parts - a numerator and a denominator. ... Dividing fractions is almost the same as multiplying them. For the division of fractions, we multiply the first fraction by the reciprocal (inverse) of the second fraction.
 

 
        
             
        
        
        
You would have to divide $16.76 by 4 to find out how much 1 gallon costs and after that multiply the amount a gallon costs by 7 to get your answer