document.write( "Question 386839: Two cakes, A and B, weigh 15 kg altogether. If 1/3 of cake A and 1/4 of cake B are sold, the remaining part of cake A is 1/5 kg less than the remaining part of cake B. If cake A weighs x kg, form an equation in x and solve.
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Algebra.Com's Answer #275135 by robertb(5830)![]() ![]() You can put this solution on YOUR website! weight of cake A = x \n" ); document.write( "weight of cake B = 15 - x \n" ); document.write( "after purchase, 2x/3 of cake A remains, while 3(15-x)/4 of cake B remains. \n" ); document.write( "From the given, \n" ); document.write( "then \n" ); document.write( "40x = 675 - 45x - 12, \n" ); document.write( "85x = 663, \n" ); document.write( "x = 7.8 kg, the weight of cake A, and \n" ); document.write( "15 - x = 7.2 kg, the weight of cake B. \n" ); document.write( " |