document.write( "Question 695706: a grocer mixed nuts worth $.80 per pound with nuts worth $.50 per pound. How many pounds of each did he use to make a mixture of 30 pounds to sell at $.75 per pound? \n" ); document.write( "
Algebra.Com's Answer #428615 by mananth(16946)![]() ![]() You can put this solution on YOUR website! price ---------------- quantity \n" ); document.write( "Nuts type I 0.8 ---------------- x lb \n" ); document.write( "Nuts Type II 0.5 ------ 30 - x lb \n" ); document.write( "Mixture 0.75 ---------------- 30 \n" ); document.write( " 30 \n" ); document.write( "0.8 x + 0.5 ( 30 - x ) = 0.75 * 30 \n" ); document.write( "80 x + 50 ( 30 - x ) = 2250 \n" ); document.write( "80 x + 1500 - 50 x = 2250 \n" ); document.write( "80 x - 50 x = 2250 - -1500 \n" ); document.write( "30 x = 750 \n" ); document.write( "/ 30 \n" ); document.write( " x = 25 lb 0.80 Nuts type I \n" ); document.write( " 5 lb 0.50 Nuts Type II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |