document.write( "Question 1113561: In an exam, two reasoning problems, 1 and 2, are asked. 35% students solved problem 1
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Algebra.Com's Answer #728633 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "In an exam, two reasoning problems, 1 and 2, are asked. 35% students solved problem 1
\n" ); document.write( "and 15% students solved both the problems. How many students who solved the first
\n" ); document.write( "problem will also solve the second one?
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\n" ); document.write( "\n" ); document.write( "Before formulating my answer, I want to highlight/underline that NOBODY in the entire world CAN ANSWER the question correctly
\n" ); document.write( "(if to understand the question literally), because the total number of students is unknown.\r
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\n" ); document.write( "\n" ); document.write( "So, in this sense, the question was formulated INCORRECTLY / inaccurately.\r
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\n" ); document.write( "\n" ); document.write( "The correct / accurate formulation of the question is THIS:\r
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document.write( "    Which fraction (or percentage) of those, who solved the first problem, solved the second problem too ?\r\n" );
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\n" ); document.write( "\n" ); document.write( "And then the answer becomes OBVIOUS (or even more than obvious): \r
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document.write( "    the fraction is  ,  or  .\r\n" );
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document.write( "    the percentage is   = 42.86%.\r\n" );
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