document.write( "Question 168315: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each pound. How many pounds of perennial seed are in the mixture? \n" ); document.write( "
Algebra.Com's Answer #124053 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! we know that the total of annual and perennial is 100 pounds\r \n" ); document.write( "\n" ); document.write( "so lets call annual x, and perennial 100-x\r \n" ); document.write( "\n" ); document.write( "now .5(x)+.75(100-x)=.65(100)\r \n" ); document.write( "\n" ); document.write( ".5x+75-.75x=65\r \n" ); document.write( "\n" ); document.write( ".25x=10\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |