document.write( "Question 178659: A professor gave his report on the grades of the last test in the following manner: One fifth made A's, one fourth made B's, one third made C's, one sixth made D's and 12 made F's. How many students are in the class? \n" ); document.write( "

Algebra.Com's Answer #133621 by Mathtut(3670) $\"\"$ $\"About$

You can put this solution on YOUR website!
let x be the number of students in class
\n" ); document.write( ":
\n" ); document.write( " $\"%28x%2F5%29%2B%28x%2F4%29%2B%28x%2F3%29%2B%28x%2F6%29%2B12=x\"$
\n" ); document.write( ":
\n" ); document.write( " $\"%2812x%2F60%29%2B%2815x%2F60%29%2B%2820x%2F60%29%2B%2810x%2F60%29%2B12=x\"$
\n" ); document.write( ":
\n" ); document.write( " $\"57x%2F60%2B12=x\"$
\n" ); document.write( ":
\n" ); document.write( " $\"3x%2F60=12\"$
\n" ); document.write( ":
\n" ); document.write( " $\"3x=720\"$
\n" ); document.write( ":
\n" ); document.write( " $\"highlight%28x=240%29\"$ students in the class \n" ); document.write( "

\n" );