document.write( "Question 611945: a shelf can hold at most 20 math books and 6 biology books, or 15 math books and 16 biology books. If the shelf is to hold math books only, how many books can it hold? \n" ); document.write( "
Algebra.Com's Answer #385203 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a shelf can hold at most 20 math books and 6 biology books, or 15 math books and 16 biology books. If the shelf is to hold math books only, how many books can it hold? \n" ); document.write( "---- \n" ); document.write( "20m + 6b = 15m+16b \n" ); document.write( "5m = 10b \n" ); document.write( "Each math book occupies the space of 1 biology book. \n" ); document.write( "---- \n" ); document.write( "So 16 biology books = 8 math books. \n" ); document.write( "--- \n" ); document.write( "The shelf can hold 15m + 16b = 15m+8m = 23 math books. \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " \n" ); document.write( " |