Mixture A is 15 percent alcohol, and mixture B is 50 percent alcohol. If the two are poured together to create a 4-gallon mixture that contains 30 percent alcohol, approximately how many gallons of mixture A are in the mixture?
Choose the correct choice from the following answers
A) 1.5 B) 1.7 C) 2.3 D) 2.5 E) 3.0
Ratio of A to B in the final mixture = 50-30 : 30-15 = 4:3   Gallons of A used = 4/7*4 = 2.28   ANSWER:2.3
<result>C</result>
Mixture A is 15 percent alcohol, and mixture B is 50 percent alcohol. If the two are poured together to create a 4-gallon mixture that contains 30 percent alcohol, approximately how many gallons of mixture A are in the mixture?