document.write( "Question 990181: On a recent exam, 9/10 of the class received 70% or higher. Of the students receiving 70% or higher, 1/4 received 90%. What fraction of all students received 90% or higher. \n" ); document.write( "
Algebra.Com's Answer #610247 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "No way to tell. Of the 90% who scored higher than 70%, 1/4 scored 90%. That means that 3/4 of the 90% scored something different than 90%, but there is nothing to indicate what part of that 3/4 scored less than 90% and what part scored more than 90%.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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