document.write( "Question 1185163: A scientist has two solutions, which she has labeled Solution A ad Solution B. Each contains salt. She knows that Solution A is 60% salt and Solution B is 90% salt. She wants to obtain 90 ounces of a mixture that is 65% salt. How many ounces of each solution should she use? \n" ); document.write( "
Algebra.Com's Answer #815956 by greenestamps(13216) You can put this solution on YOUR website! \n" ); document.write( "Also ignoring the fact that the given salt concentrations are impossible.... \n" ); document.write( "Here is a quick and easy way to solve 2-part \"mixture\" problems like this without formal algebra. \n" ); document.write( "(1) Picture the three percentages 60, 65, and 90 on a number line and observe/calculate that 65% is 1/6 of the way from 60% to 90%. \n" ); document.write( "(2) That means 1/6 of the mixture should be the 90% solution. \n" ); document.write( "ANSWER: 1/6 of 90 ounces, or 15 ounces, of the 90% solution; the other 75 ounces of the 60% solution. \n" ); document.write( " \n" ); document.write( " |