document.write( "Question 1207014: 1.
\n" ); document.write( "A mixture A contains milk and water in the ratio 7: 2 and this mixture A is
\n" ); document.write( "mixed in the ratio 1: 3 with another mixture of milk and water in which ratio of
\n" ); document.write( "milk and water is 4:5 to form mixture B. Mixture A and B are mixed in the ratio
\n" ); document.write( "1: 2 to form mixture C and this mixture C is mixed in the ratio 6: 5 with
\n" ); document.write( "another mixture of milk and water in which ratio of milk and water is 3: 2 to
\n" ); document.write( "form mixture D. Mixture B and D are mixed in the ratio 22: 17 to form another
\n" ); document.write( "mixture E.\r
\n" ); document.write( "\n" ); document.write( "(a)Mixture B is sold after mixing 92 litres of pure milk to it and total profit
\n" ); document.write( "percent earned after selling the mixture is 75 percent, then what is the amount
\n" ); document.write( "of milk in the mixture B initially?
\n" ); document.write( "

Algebra.Com's Answer #844846 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "The secret to solving a problem involving\r\n" );
document.write( "\r\n" );
document.write( "\"mixing an a:b solution in the ratio c:d with an e:f solution\",\r\n" );
document.write( "is:\r\n" );
document.write( "\r\n" );
document.write( "1. The fraction of milk in an x:y milk to water solution is always x/(x+y),\r\n" );
document.write( "and we only have to work with the fraction of milk.\r\n" );
document.write( "\r\n" );
document.write( "2. Since c:d is a numerical ratio, we can let c and d units both be c and d\r\n" );
document.write( "units of ANY size. It doesn't matter what size unit it is, as long as it is\r\n" );
document.write( "the same size unit for both.\r\n" );
document.write( "\r\n" );
document.write( "3. When we mix c units of an \r\n" );
document.write( "\r\n" );
document.write( "a/(a+b) milk solution \r\n" );
document.write( "\r\n" );
document.write( "with d units of an \r\n" );
document.write( "\r\n" );
document.write( "e/(e+f) milk solution. That gives us a \r\n" );
document.write( "\r\n" );
document.write( "[c*a/(a+b)+d*e/(e+f)]/(c+d) \r\n" );
document.write( "\r\n" );
document.write( "milk solution. That will always give us the numerical fraction of milk in the\r\n" );
document.write( "mixture.\r\n" );
document.write( "\r\n" );
document.write( "Now, let me see you or one of the other tutors take that hint and solve the\r\n" );
document.write( "problem. I'm sure that one of them will.  If they don't, I'll solve it.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );