If y is directly proportional to x√ and y=2 when x=3 Find the value of y when x=6

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

27 is what percent of 108? 27 is % of 108

Will give a: 122 b: 90 c: 48 d: 180