SOLUTION: A health food store sells dry bean sup mix. It has 6 pounds of mix that is 40% lentils and wants to reduce that percentage to 15%. How many pounds of other beans must be added?
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Question 956500:  A health food store sells dry bean sup mix. It has 6 pounds of mix that is 40% lentils and wants to reduce that percentage to 15%. How many pounds of other beans must be added? 
Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!
 40% of 6 pounds =0.40(6lbs)=2.4lbs
2.4ls is 15% of 2.4lbs/0.15=16lbs 
To make a total of 16 lbs, they must add 10 lbs of other beans to the 6 lbs of 40% mix. 
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