Answer:
Gas prices $3.45
Jenny purchase 12.2 gallons of gas for her car.
12.2 x $3.45 = 42.09
A= $42.09
 
        
             
        
        
        
Step-by-step explanation:
So 2 pints = 1 quart 
She need 3 quart
so 2 pints × 3 = 1 quart × 3
6 pints = 3 quart
... 
The she need 6 pints which is 
2 cups = 1 pint
She need 6, so mutiply with 6
2 cups × 6 = 1 pint × 6
12 cups = 6 pints
Then this is the answer, you got 
12 cups = 6 pints = 3 quart
She need 12 cups of water to make fruit punch
 
        
             
        
        
        
9.4 because the number after the firs decimal point is higher than 5
        
             
        
        
        
You can only do it like '7.5 plus 9.5 plus 13