document.write( "Question 1144979: Coffee worth P90/kilo is mixed with a coffee worth P75/kilo to produce 300 kilograms of a mixture worth P80/kilo. How many kilos of each type should be used? \n" ); document.write( "
Algebra.Com's Answer #766138 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Same problem, different numbers. \n" ); document.write( "=================================================== \n" ); document.write( "Joan has a solution that is 18% acid and a second solution that is 43% acid. How many liters of each should she mixed together to get an 80L solution that is 26.5% acid? \n" ); document.write( "--------------------- \n" ); document.write( "e = amount of 18% \n" ); document.write( "f = amount of 43% \n" ); document.write( "--- \n" ); document.write( "e + f = 80 ----- total solution \n" ); document.write( "18e + 43f = 80*26.5 ---- total acid \n" ); document.write( "------ \n" ); document.write( "Can you do the rest? \n" ); document.write( " |