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Emily has 12 cups of lemonade that is a solution of 15% lemon juice. S
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05 Mar 2024, 01:10
05 Mar 2024, 01:10
Expert Reply
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Question Stats:
76% (01:56) correct
23% (03:12) wrong based on 17 sessions
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Emily has 12 cups of lemonade that is a solution of 15% lemon juice. She makes her lemonade from juice concentrate, which is 47% lemon juice. How much concentrate must she add to her lemonade in order to increase the solution to 23% lemon juice?
A. 3.5 cups
B. 4 cups
C. 1.6 cups
D. 2 cups
E. 6.3 cups
A. 3.5 cups
B. 4 cups
C. 1.6 cups
D. 2 cups
E. 6.3 cups
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Free Materials for the GRE General Exam - Where to get it!!
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Emily has 12 cups of lemonade that is a solution of 15% lemon juice. S
[#permalink]
07 Apr 2024, 01:45
07 Apr 2024, 01:45
Expert Reply
\(\dfrac{1.8+0.47C}{12+C}=0.23\)
\(0.23(12+C)=1.8+0.47C\)
\(C=4\)
C is the amount of cups to be added
B is the correct anhswer
\(0.23(12+C)=1.8+0.47C\)
\(C=4\)
C is the amount of cups to be added
B is the correct anhswer
Re: Emily has 12 cups of lemonade that is a solution of 15% lemon juice. S
[#permalink]
18 Sep 2024, 08:24
18 Sep 2024, 08:24
Where does 1.8 come from?
