document.write( "Question 1095944: shubhangi has twice as many 20 rupees notes.as she has 50 rupees notes. she has 2700 rupees .how many 50 rupees notes she have? \n" ); document.write( "

Algebra.Com's Answer #710539 by josgarithmetic(39618) $\"\"$ $\"About$

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x, 20 rupee notes
\n" ); document.write( "y, 50 rupee notes\r
\n" ); document.write( "\n" ); document.write( " $\"x%2Fy=2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=2y\"$ \r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"20x%2B50y=2700\"$
\n" ); document.write( " $\"2x%2B5y=270\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( " $\"simple\"$ $\"substitution\"$ $\"for\"$ $\"x\"$
\n" ); document.write( " $\"2%282y%29%2B5y=270\"$
\n" ); document.write( " $\"9y=270\"$
\n" ); document.write( " $\"highlight%28y=30%29\"$ -------- 30 of the fifty rupee notes \n" ); document.write( "

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