document.write( "Question 1030719: A store is having a sale on jellybeans and trail mix. For 2 pounds of jellybeans and 6 pounds of trail mix the total cost is $12 for 5 pounds of jellybeans and 3 pounds of trail mix the total cost is $15 find the cost of each pound of jellybeans and each pound of trail mix..my email address is dewayne123700@gmail.com \n" ); document.write( "
Algebra.Com's Answer #645521 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A store is having a sale on jellybeans and trail mix. For 2 pounds of jellybeans and 6 pounds of trail mix the total cost is $12 for 5 pounds of jellybeans and 3 pounds of trail mix the total cost is $15 find the cost of each pound of jellybeans and each pound of trail mix.. \n" ); document.write( "-------------------- \n" ); document.write( "2j + 6t = 12 \n" ); document.write( "5j + 3t = 15 \n" ); document.write( "------------------ \n" ); document.write( "Modify for elimination:: \n" ); document.write( "3j + 6t = 12 \n" ); document.write( "10j + 6t = 30 \n" ); document.write( "-------------------- \n" ); document.write( "Subtract and sove for \"j\":: \n" ); document.write( "7j = 18 \n" ); document.write( "j = 18/7 lbs (wt. of jellybeans needed) \n" ); document.write( "------- \n" ); document.write( "Solve for \"t\":: \n" ); document.write( "3t = 15-5j \n" ); document.write( "3t = 15-90/7 \n" ); document.write( "3t = (105-90)/7 \n" ); document.write( "3t = 15/7 \n" ); document.write( "t = 5/7 lbs (wt of trail mix needed) \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " \n" ); document.write( " |