document.write( "Question 841981: Out of 6 numbers the average of first 5 numbers is 20 and the average of the last 5 numbers is 24. If last number is 36 what is the first number? \n" ); document.write( "
Algebra.Com's Answer #507292 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (a+b+c+d+e)/5=20, \n" ); document.write( "(b+c+d+e+36)/5=24 \n" ); document.write( "(b+c+d+e+36)=120 \n" ); document.write( "b+c+d+e=84 \n" ); document.write( "a+84=5*20 \n" ); document.write( "a=16 \n" ); document.write( " \n" ); document.write( " |