document.write( "Question 977530: A grocer bought a number of items for 1,440 pesos.Later the price increased at 2 pesos per item and as a result he received 24 fewer items for the same amount.How many items were in his first purchase and what was the cost per item? \n" ); document.write( "
Algebra.Com's Answer #599069 by josgarithmetic(39623)\"\" \"About 
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x, first amount of items for 1440 pesos COST.
\n" ); document.write( "The price was \"1440%2Fx\" PESOS per EACH.\r
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\n" ); document.write( "\n" ); document.write( "Price Increased 2 pesos per item, bought 24 fewer items.
\n" ); document.write( "\"%281440%2Fx-2%29%28x-24%29=1440\", the same cost.\r
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\n" ); document.write( "\n" ); document.write( "\"%281440-2x%29%28x-24%29=1440x\", multiplied both sides by x;
\n" ); document.write( "\"%28720-x%29%28x-24%29=720x\", multiplied both sides by \"1%2F2\";
\n" ); document.write( "\"720x-x%5E2-24%2A720%2B24x=720x\"
\n" ); document.write( "\"-x%5E2-24%2A720%2B24x=0\"
\n" ); document.write( "\"x%5E2-24x%2B24%2A720=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2824%2B-+sqrt%2824%5E2%2B4%2A24%2A720%29%29%2F2\", general solution formula\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2824%2B-+sqrt%2869696%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2824%2B-+264%29%2F2\", but need the PLUS form.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2824%2B264%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x=144%29\"--------this was how many items, the first time.
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