document.write( "Question 1203581: If four loaves of bread costs $8, a loaf of bread and a bag of oranges costs $7, and a loaf of bread, two bags of oranges and a basket of apples costs $17, what is the cost of a basket of apples? \n" ); document.write( "
Algebra.Com's Answer #839252 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "If four loaves of bread costs $8, \n" ); document.write( "a loaf of bread and a bag of oranges costs $7, \n" ); document.write( "and a loaf of bread, two bags of oranges and a basket of apples costs $17, \n" ); document.write( "what is the cost of a basket of apples? \n" ); document.write( "~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Good problem for 2nd or 3rd grade students, who only can add, multiply and divide \n" ); document.write( "integer numbers, but know nothing else in Math, including knowing nothing about equations.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Solving step by step\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(1) If four loaves of bread cost $8, hence, one loave costs $8/4 = $2.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(2) If a loaf of bread and a bag of oranges costs $7, hence, a bag of oranges costs $7 - $2 = $5.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(3) If a loaf of bread, two bags of oranges and a basket of apples costs $17,\r\n" ); document.write( "\r\n" ); document.write( " hence, a basket of apples costs $17 - $2 - 2 * $5 = $5. ANSWER\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved mentally.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-----------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To teach students solving such problems using equations means to suppress their common sense and initiative.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To teach them to solve it mentally, as I did in my post, means to develop their common sense and initiative.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |