document.write( "Question 1044952: How much clay do you need to add to 4 cubic yards of soil with 40% clay in order to make a soil with 60% clay? \n" ); document.write( "
Algebra.Com's Answer #660389 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x=amount of clay \n" ); document.write( "(4)(0.40)+x=(4+x)(0.60), the amount of pure clay in 4 yds^3 at 40% is 1.6 yds^3. We add x amount of pure 100% clay \n" ); document.write( "1.6+x=2.4+0.60x \n" ); document.write( "-0.8=-0.4x \n" ); document.write( "x=2 yds^3 ANSWER \n" ); document.write( "check \n" ); document.write( "2/3 is 40%, 1/3 is 100% \n" ); document.write( "40+40+100 all divided by 3 is 60 \n" ); document.write( " |