document.write( "Question 355521: a painter needs to have 24 gallons of paint that contains 30% solvent. how many gallons of paint containing 20% solvent ahd how many gallons containing 60% solvent should be mixed to obtain the desired paint? \n" ); document.write( "
Algebra.Com's Answer #253884 by mananth(16946)![]() ![]() You can put this solution on YOUR website! paint containing 20% solvent :let this be x gallons \n" ); document.write( " paint containing 60% solvent :this will be 24-x gallons\r \n" ); document.write( "\n" ); document.write( "Mixture : 24 gallons of paint that contains 30% solvent. \n" ); document.write( "... \n" ); document.write( "0.2x+0.6(24-x) = 24*0.3 \n" ); document.write( "0.2x+14.4-0.6x=7.2 \n" ); document.write( "-0.4x=-7.2 \n" ); document.write( "divide by -0.4 \n" ); document.write( "x= -7.2/0.4 \n" ); document.write( "x=18 \n" ); document.write( "18 gallons of 20% \n" ); document.write( "6 gallons of 60% will be required. \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |