document.write( "Question 896465: five numbers are represented by a b c d and e. the average of a, b, and c is 8. the average of a b c d and e is 7.2. Given that e is twice d, find the value of e \n" ); document.write( "
Algebra.Com's Answer #543584 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! a + b + c = 24 (8 * 3) \n" ); document.write( "a + b + c + d + e = 36 (5 * 7.2) \n" ); document.write( "Therefore, d + e = 12 (36-24) \n" ); document.write( "E = 2D \n" ); document.write( "D + e = 12 \n" ); document.write( "d + 2D = 12 \n" ); document.write( "3D = 12 \n" ); document.write( "D = 4 \n" ); document.write( "If D is 4, then E is 8 \n" ); document.write( " |