SOLUTION: Ms. Sanders mixes a 75% sugar cinnamon-flavored solution with a 95% sugar cherry-flavored solution to make 16 gallons of a new product. The new product is 90% sugar. How much of th

Question 1157336: Ms. Sanders mixes a 75% sugar cinnamon-flavored solution with a 95% sugar cherry-flavored solution to make 16 gallons of a new product. The new product is 90% sugar. How much of the cherry-flavored solution did she use?
[A] 4 gal [B] 15 gal [C] 12 gal [D] 10 gal
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Another two-part mixture problem solved quickly with just a couple of easy mental calculations.

(1) The 90% of the mixture is 15/20 = 3/4 of the way from 75% to 95%.
(2) That means 3/4 of the mixture is the 95% sugar solution.
(3) So 3/4 of the 16 gallons, or 12 gallons, is the 95% sugar cherry-flavored solution.

ANSWER: C

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