document.write( "Question 819747: [ elizabeth had three times as many as stamps as jessica. after elizabeth gave 30 stamps to her friend, jessica would have 0.75 as many stamps as elizabeth. how many stamps did they have altogether? ] \n" ); document.write( "
Algebra.Com's Answer #493231 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! e = 3j \n" ); document.write( "j = 0.75(e - 30) \n" ); document.write( "--- \n" ); document.write( "j = 0.75e - 22.5 \n" ); document.write( "j = 0.75(3j) - 22.5 \n" ); document.write( "j = 2.25j - 22.5 \n" ); document.write( "1.25j = 22.5 \n" ); document.write( "--- \n" ); document.write( "j = 18 \n" ); document.write( "e = 54 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |