document.write( "Question 940917: The sum of two numbers is 400. One of them is 20 more than the other. Find the larger number. \n" ); document.write( "
Algebra.Com's Answer #573522 by macston(5194)![]() ![]() You can put this solution on YOUR website! Two numbers, one is 20 more than the other \n" ); document.write( "X is the larger number, the other is X-20 \n" ); document.write( "The sum of the two numbers is 400 \n" ); document.write( "X+(X-20)=400 \n" ); document.write( "2X-20=400 Add 20 to each side \n" ); document.write( "2X-20-+20=400+20 \n" ); document.write( "2X=420 divide both sides by 2 \n" ); document.write( "X=210 ANSWER the larger number is 210 \n" ); document.write( "CHECK: \n" ); document.write( "the smaller number is 20 less \n" ); document.write( "small=210-20=190 \n" ); document.write( "sum is 400: smaller+larger=400 \n" ); document.write( "190+210=400 \n" ); document.write( "400=400 \n" ); document.write( " \n" ); document.write( " |