Aiden needs 15 liters of cleaning solution. He can buy a 2-gallon jug ($4.28), a 3-gallon jug ($5.92), a 4-gallon jug ($6.56), or a 7-gallon jug ($12.98). Which jug should he purchase to get at least 15 liters of cleaning solution and spend the least amount of money?
+36916
First, 15 l is 3.962 gallons needed or 507.21 oz
He only need 3.962 gallons so he would best be served by buying a four gallon bucket @ $ 6.56
two 2 gallon buckets total cost 8.56
one two and one 3 costs 10.20
