document.write( "Question 1049958: one half of three fourths of a number is 20 more thn two fifths of the same number . what is the number \n" ); document.write( "

Algebra.Com's Answer #665549 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+x+\"$ = the unknown number
\n" ); document.write( " $\"+%281%2F2%29%2A%283%2F4%29%2Ax+=+%282%2F5%29%2Ax+%2B+20+\"$
\n" ); document.write( " $\"+%283%2F8%29%2Ax+=+%282%2F5%29%2Ax+%2B+20+\"$
\n" ); document.write( "Multiply both sides by $\"+40+\"$
\n" ); document.write( " $\"+15x+=+16x+%2B+800+\"$
\n" ); document.write( " $\"+x+=+-800+\"$
\n" ); document.write( "----------------------
\n" ); document.write( "check answer:
\n" ); document.write( " $\"+%281%2F2%29%2A%283%2F4%29%2Ax+=+%282%2F5%29%2Ax+%2B+20+\"$
\n" ); document.write( " $\"+%281%2F2%29%2A%283%2F4%29%2A%28-800%29+=+%282%2F5%29%2A%28-800%29+%2B+20+\"$
\n" ); document.write( " $\"+%283%2F8%29%2A%28-800%29+=+-320+%2B+20+\"$
\n" ); document.write( " $\"+-300+=+-300+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );