document.write( "Question 1001404: Robin use one fourth of a pound of butter to make a cake before she started she has seven eighths of a pound of butter how much butter did Robin have when she was done baking give your answer as a fraction of a pound
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Algebra.Com's Answer #618624 by Cromlix(4381) You can put this solution on YOUR website! Hi there, \n" ); document.write( "Robin uses 1/4 of a pound of butter \n" ); document.write( "to make a cake. \n" ); document.write( "She starts with 7/8 of a pound of butter. \n" ); document.write( "so she has 7/8 - 1/4 left \n" ); document.write( "7/8 - 1/4 \n" ); document.write( "Multiply 8 x 4 to get a denominator \n" ); document.write( "= 32 \n" ); document.write( "Cross multiply 4 x 7 = 28 \n" ); document.write( "and 8 x 1 = 8 \n" ); document.write( "= 28 - 8/ 32 \n" ); document.write( "= 20/32 \n" ); document.write( "Divide top and bottom by 4 \n" ); document.write( "= 5/8 of a pound of butter left. \n" ); document.write( "Hope this helps. :-) \n" ); document.write( " \n" ); document.write( " |