document.write( "Question 704500: If solution A contains 30% salt and solution B contains 80% salt,a mixture needs 80 ounces that need to contain 65% salt, how much ounces would A and B both need each? \n" ); document.write( "
Algebra.Com's Answer #434112 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Translate the given statements/info into these equations\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+y = 80 \n" ); document.write( "0.3x+0.8y = 80*0.65\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve the first equation for y to get y = 80 -x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then plug this into the second equation to get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.3x+0.8y = 80*0.65\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.3x+0.8(80 - x) = 80*0.65\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve that for x, then use the solution for x to find the solution for y. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I'll let you do this. If you want to check the answers with me or if you still need help, see my email below. Thanks.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------------------------------------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more help, you can email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To find other ways to contact me, you can also visit my website: http://www.freewebs.com/jimthompson5910/home.html\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thanks,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( " |