document.write( "Question 628185: in a certain school, 40% of all students are 8 yrs old or younger. the number of remaining students is 120. how many students are 8 yrs old or younger? \n" ); document.write( "

Algebra.Com's Answer #395436 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = total number of students in school
\n" ); document.write( "given:
\n" ); document.write( " $\"+.4x+\"$ are 8 yrs old or younger
\n" ); document.write( " $\"+x+-+.4x+=+120+\"$
\n" ); document.write( " $\"+.6x+=+120+\"$
\n" ); document.write( " $\"+x+=+200+\"$
\n" ); document.write( " $\"+.4x+=+.4%2A200+\"$
\n" ); document.write( " $\"+.4x+=+80+\"$
\n" ); document.write( "There are 80 students who are 8 yrs old or younger \n" ); document.write( "

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