A wheel on Shen's bicycle is 0.3 in diameter. Shen races the bicycle for 30m . How many times does the wheel turn as the bicycle travels this distance?

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?