<PRE><B>Question 1011768</B>
a.How many gallons of a 20% solution should be mixed with 15 gallons of a 70% solution to yield a final mixture of lemonade containing 35% of pure lemon juice? Write your answer in complete sentences. Show all work.
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0.20x + 0.70*15 = 0.35*(x+15)
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20x + 70*15 = 35x + 35*15
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15x = 35*15
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x = 35 gallons (amt of 20% solution needed)
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Cheers,
Stan H.
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b.How many gallons of lemonade would this combination yield? Write your answer in complete sentences. Show all work 
Ans: x+15 = 35+15 = 50 gallons
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Cheers,
Stan H.
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