document.write( "Question 818669: A 150 mL solution of alcohol in water is 75% alcohol. How many mL of a 60% solution should be added to make the solution 72% alcohol? \n" ); document.write( "
Algebra.Com's Answer #492716 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! 150(0.75) + v(0.60) = (150 + v)(0.72) \n" ); document.write( "112.5 + v(0.60) = 108 + v(0.72) \n" ); document.write( "v(0.12) = 4.5 \n" ); document.write( "v = 4.5/(0.12) \n" ); document.write( "v = 37.5 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "add 37.5 mL of 60% solution \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |