document.write( "Question 352157: how many kg of wheat costing rs 10 per kg must be mixed with 36 kg rice costing Rs 6 per kg so that 20% gain may be obtained by selling it at 7.20 RS per kg. \n" ); document.write( "

Algebra.Com's Answer #251719 by Fombitz(32388) $\"\"$ $\"About$

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Let $\"W\"$ be the amount of wheat.
\n" ); document.write( " $\"10W%2B6%2836%29=7.2%28W%2B36%29\"$
\n" ); document.write( " $\"10W%2B216=7.2W%2B259.2\"$
\n" ); document.write( " $\"10W%2B216=7.2W%2B259.2\"$
\n" ); document.write( " $\"2.8W=43.2\"$
\n" ); document.write( " $\"highlight%28W=15.4%29\"$ kg \n" ); document.write( "

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