document.write( "Question 830365: Danielle and her brother mixed together some soil and some clay to make 10 yd^3 of soil with 84% clay content. They used 6 yd^3 of clay and 4 yd^3 of a soil that they purchased. What was the clay content of the soil that they purchased? \n" ); document.write( "
Algebra.Com's Answer #500560 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! The focus is on the concentration of the clay.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "using \"units\" for \"yard^3\", \n" ); document.write( "the mixture is 6 units clay plus 4 units soil; \n" ); document.write( "6+4*r=theClay units, where r is a fraction in DECIMAL form. That is the mixture according to the purchased used quantities of clay and soil.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first part of the description gives 10*0.84 units of clay, for the resulting mixture. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "UnitsOfClayKnown=UnitsOfClayMixed \n" ); document.write( " \n" ); document.write( "If this makes sense, then GOOD.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "The soil purchased contained 60% clay. \n" ); document.write( " |