document.write( "Question 1021139: A girl bought tape, a book and a recorder at a total cost of $100.00. The book cost half as much as the tape, the recorder cost $12.00 more than the book. Find the cost of each item. \n" ); document.write( "
Algebra.Com's Answer #636891 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make the tape = 'x' \n" ); document.write( "Book costs 1/2x \n" ); document.write( "Recorder costs 12 + 1/2x \n" ); document.write( "A girl bought tape, a book and a recorder \n" ); document.write( "at a total cost of $100.00 \n" ); document.write( "x + 1/2x + 12 + 1/2x = 100 \n" ); document.write( "Collect like terms \n" ); document.write( "x + 1/2x + 1/2x = 100 - 12 \n" ); document.write( "2x = 88 \n" ); document.write( "x = 44 \n" ); document.write( "Tape cost $44 \n" ); document.write( "Book cost $22 \n" ); document.write( "Recorder cost $34 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |