To go to the beach, adiyah drives 4 times as many miles as jacob. adiyah drives 20 miles. how many miles does jacob drive? write an equation and a comparison sentence to solve

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?