document.write( "Question 252163: AHOPKEEPER HAS THREE TYPES OF BLACK PULSE COSTING RS.60, RS.72 AND RS.90 PER KG RESPECTIVELY. OUT OF THEM THE FIRST TWO TYPES OF PULSE ARE MIXED IN THE RATION OF 2:3. IN WHAT RATIO THE THINRD TYPE OF PULSE SHOULD BE MIXED SO THAT THE COST OF MIXTURE WILL BE RS.78 PER KG? \n" ); document.write( "

Algebra.Com's Answer #183975 by palanisamy(496) $\"\"$ $\"About$

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A SHOPKEEPER HAS THREE TYPES OF BLACK PULSE COSTING RS.60, RS.72 AND RS.90 PER KG RESPECTIVELY.
\n" ); document.write( "THE FIRST TWO TYPES OF PULSE ARE MIXED IN THE RATION OF 2:3.
\n" ); document.write( "lET THE THIRD TYPE PULSE BE MIXED IN THE RATIO x
\n" ); document.write( "THE FINAL COST OF THE MIXTURE IS RS.78 PER KG
\n" ); document.write( "THEREFORE, WE GET
\n" ); document.write( " (2X60)+(3X72)+90x = (2+3+x)X78
\n" ); document.write( " 120+216+90x = (5+x)X 78
\n" ); document.write( " 336+90x = 390+78x
\n" ); document.write( " 90x-78x = 390-336
\n" ); document.write( " 12x = 54
\n" ); document.write( " x = 54/12
\n" ); document.write( " x = 9/2 \n" ); document.write( "

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