document.write( "Question 1136953: There are 36 passengers in a train.The ratio of children to adults in the train is 5 to 4. How many children are in the train? \n" ); document.write( "

Algebra.Com's Answer #754778 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+x+\"$ = number of children
\n" ); document.write( " $\"+x+%2F+%28+36+-+x+%29+=+5%2F4+\"$
\n" ); document.write( " $\"+4x+=+5%2A%28+36+-+x+%29+\"$
\n" ); document.write( " $\"+4x+=+180+-+5x+\"$
\n" ); document.write( " $\"+9x+=+180+\"$
\n" ); document.write( " $\"+x+=+20+\"$
\n" ); document.write( "There are 20 children
\n" ); document.write( "--------------------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+36+-+x+=+16+\"$
\n" ); document.write( " $\"+20%2F16+=+5%2F4+\"$
\n" ); document.write( " $\"+5%2F4+=+5%2F4+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );