document.write( "Question 1090781: Mrs Lee bought 50 books for $50. She paid $4 for each of the big books and$1 for 4 smaller books. How many big books and small books did she buy? \n" ); document.write( "
Algebra.Com's Answer #705235 by ikleyn(52858) You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "A combination of (1 big book plus 4 small books) costs exactly 5 dollars and contains 5 books.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "So, 10 times this combination satisfies/satisfy to the condition.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. 10 big books and 4*10 = 40 small books.\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I was lasy to write and to solve the problem using the system of equations. \n" ); document.write( "So, I solved it MENTALLY, instead.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |