If half a gallon of milk is 3 dollars then you should be able to buy one gallon for 6 dollars. Therefore 5 dollars can buy 5/6 gallons of milk.
80 x 3/10 = 240/10 = 24 times
Multiply the first 3 prime numbers that are 2 3 and 5 so the answer would be 30
The second windsurfer is going faster cuz 5 meters = 16.4042.
