Mr. li fills his car with gas. the farther he drives, the less gas his car has. would it be reasonable to use this negative association to predict the amount of gasoline in mr. li's tank after he has driven 500 miles? explain.

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?