Nayeli observes a marble travel along a horizontal path at a constant rate. The marble travels 1/10 of the length of the path in 2 1/6 seconds. At that rate, how many seconds does it take the object to travel the full length?

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?