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One cup of salt and one cup of water are added to two cups of an origi
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16 Jun 2022, 01:00
16 Jun 2022, 01:00
Expert Reply
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Question Stats:
88% (01:11) correct
11% (01:33) wrong based on 18 sessions
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One cup of salt and one cup of water are added to two cups of an original salt-and-water solution. If the yield is 4 cups of solution that is 1/2 salt, what fraction of the original solution was salt?
(A) 1/6
(B) 1/4
(C) 1/3
(D) 1/2
(E) 2/3
(A) 1/6
(B) 1/4
(C) 1/3
(D) 1/2
(E) 2/3
Part of the project: Skill Builder Project
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GRE Math Essentials
GRE Geometry Formulas for a Q170
GRE - Math Book
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GRE Math Essentials
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: One cup of salt and one cup of water are added to two cups of an origi
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16 Jun 2022, 18:10
16 Jun 2022, 18:10
Explain
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Posted from my mobile device
Re: One cup of salt and one cup of water are added to two cups of an origi
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28 Jun 2022, 09:34
28 Jun 2022, 09:34
Expert Reply
Let x = the fraction of the original solution that is salt. Using the mixture formula, 1(100) + 1(0) + 2(x) = 4(50)
100 + 2x = 200
2x = 100
x = 50%.
or 1/2
D is the answer
100 + 2x = 200
2x = 100
x = 50%.
or 1/2
D is the answer
