document.write( "Question 1047424: The cost of mailing a DVD in an envelope by Express Mail is equal to the cost of mailing a DVD in a box by Priority Mail. What is the weight of the DVD with its packing material? (envelope is $8.50 per lb and packing material costs $1.10)
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document.write( "(box is $2.50 per lb and packing material costs $2.25) \n" );
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Algebra.Com's Answer #663067 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 8.50x + 1.10 = 2.50x + 2.25 \n" ); document.write( "6x = 1.15 \n" ); document.write( "x = 1.15/6, weight of DVD \n" ); document.write( " |