On Saturday, Lindsay walked 3 1/2 miles in 1 2/5 hours. What was her walking pace in miles per hour. Write your answer in simplest form.

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?