document.write( "Question 973575: I need help with this question \r
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document.write( "\"peanut butter can be brought in 250g jars for $6.50 or in 100g jars for $3.10. Which is the cheaper way of buying and how large is the saving\r
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Algebra.Com's Answer #595709 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! say you want 250g of peanut butter, you could \n" ); document.write( "buy one 250g jar of peanut butter for $6.50 or \n" ); document.write( "you would have to buy three 100g jars of peanut butter at $3.10 per jar, \n" ); document.write( "3 * $3.10 = $9.30 \n" ); document.write( "therefore, buying one jar at $6.50 saves you \n" ); document.write( "$9.30 - $6.50 = $2.80 \n" ); document.write( "************************************************ \n" ); document.write( "we can calculate the price per gram of peanut butter for each jar type \n" ); document.write( "1) $6.50 / 250 = $0.026 \n" ); document.write( "2) $3.10 / 100 = $0.031 \n" ); document.write( "therefore the $6.50 for a 250g jar is cheaper\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |