document.write( "Question 1030256: Two types of tea costing k650 per kg and k720 per kg respectively are blended in the ratio 7:3. Find the cost of 1 kg of blended tea? \n" ); document.write( "

Algebra.Com's Answer #645135 by josmiceli(19441) $\"\"$ $\"About$

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If you want to end up with 1 kg, and
\n" ); document.write( "the ratio is 7:3, then you want the
\n" ); document.write( "weights to be:
\n" ); document.write( " $\"+.7+\"$ kg of the k650/kg tea
\n" ); document.write( " $\"+.3+\"$ kg of the k720/kg tea
\n" ); document.write( "( since 7: 3 = .7/.3 )
\n" ); document.write( "---------------------------
\n" ); document.write( " $\"+.7%2A650+%2B+.3%2A720+=+455+%2B+216+\"$
\n" ); document.write( " $\"+455+%2B+216+=+671+\"$
\n" ); document.write( "--------------------
\n" ); document.write( "1 kg of blended tea costs k671 \n" ); document.write( "

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