document.write( "Question 206550: four-fifth of the third grade went on a trip to the zoo. if 64 children made the trip,how many are in the third grade.
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Algebra.Com's Answer #156104 by HyperBrain(694)\"\" \"About 
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Let x=number of students in the 3rd grade
\n" ); document.write( "Then 4x/5=number of students who attended the trip.
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\n" ); document.write( "4x/5=64
\n" ); document.write( "Divide both sides by 4.
\n" ); document.write( "x/5=16
\n" ); document.write( "Multiply both sides by 5.
\n" ); document.write( "x=80\r
\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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