document.write( "Question 788841: Alan has 30 ounces of a 40% sugar solution. How much sugar should he add to make it a 45% solution?
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Algebra.Com's Answer #478617 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Alan has 30 ounces of a 40% sugar solution. How much sugar should he add to make it a 45% solution? \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "sugar + sugar = sugar \n" ); document.write( "0.40*30 + 1*x = 0.45(30+x) \n" ); document.write( "------ \n" ); document.write( "40*30 + 100x = 45*30 + 45x \n" ); document.write( "------ \n" ); document.write( "55x = 5*30 \n" ); document.write( "x = (1/11)30 \n" ); document.write( "x = 2.7273 ounces (amt. pure sugar to add) \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |