document.write( "Question 988019: a man bought 10 litres of kerosene oil at rs 1.90 per litre,12 litres at rs 1.80 per litre and 8 litres at rs 2.05 per litre and mixed them together.Find the average cost of litre of the mixture \n" ); document.write( "
Algebra.Com's Answer #608671 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Average cost/ litre = \"+%28+10%2A1.9+%2B+12%2A1.8+%2B+8%2A2.05+%29+%2F+%28+10+%2B+12+%2B+8+%29+\"
\n" ); document.write( "\"+%28+19+%2B+21.6+%2B+16.4+%29+%2F+30+\"
\n" ); document.write( "\"+57+%2F+30+=+1.9+\"
\n" ); document.write( "Average cost/ litre = rs 1.90
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );