Answer:She used 3.72 pints of blue paints for the wall
Step-by-step explanation:
Total Quantity of Blue and white paint =6.2 pints
Quantity  of White paint =2/ 5 x 6.2 pints = 2.48 pints
Quantity of blue paint =Total Quantity -Quantity  of White paint
 =6.2 pints-2.48 pints
=3.72 pints 
 
        
             
        
        
        
Should be... x ÷ -1.5 = 21
 
        
                    
             
        
        
        
Answer:
64= 39+x
Step-by-step explanation:
x represents the unknown or in this case the money made to get to 64 
39 is what she started with and 64 is the final total