document.write( "Question 1158019: In a certain class, the ratio of passing grades to failing grades is 7 to 5. How many of the 36 students failed the course? \n" ); document.write( "
Algebra.Com's Answer #780965 by Boreal(15235)\"\" \"About 
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7:5 is a ratio for 12
\n" ); document.write( "36 is 3 x 12
\n" ); document.write( "21:15 is 3 times the 7:5 ratio
\n" ); document.write( "15 failed the class
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