document.write( "Question 252116: Yesterday, 20% of the animals on a farm were rabbits. Today Farmer Joe brought home five more rabbits, increasing the percentage of rabbits to 25%. How many animals were on the farm yesterday?\r
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document.write( "A. 60 B. 75 C. 80 D. 90 E. 95 \n" );
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Algebra.Com's Answer #183890 by stanbon(75887) ![]() You can put this solution on YOUR website! Yesterday, 20% of the animals on a farm were rabbits. Today Farmer Joe brought home five more rabbits, increasing the percentage of rabbits to 25%. How many animals were on the farm yesterday? \n" ); document.write( "--- \n" ); document.write( "Let the number of animals on the farm yesterday be \"x\". \n" ); document.write( "Yesterday DATA: \n" ); document.write( "# of animals: x \n" ); document.write( "# of rabbits: 0.20x \n" ); document.write( "---- \n" ); document.write( "Today DATA: \n" ); document.write( "# of animals: x+5 \n" ); document.write( "# of rabbits: 0.25(x+5) \n" ); document.write( "---- \n" ); document.write( "75Equation: \n" ); document.write( "# of rabbits today - # of rabbits yesterday = 5 \n" ); document.write( "0.25(x+5) - 0.20x = 5 \n" ); document.write( "0.25x + 0.25*5 - 0.20x = 5 \n" ); document.write( "0.05x = 5-0.25*5 \n" ); document.write( "0.05x = 0.75*5 \n" ); document.write( "x = 75 (# of animals yesterday) \n" ); document.write( "=================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================================== \n" ); document.write( "A. 60 B. 75 C. 80 D. 90 E. 95 \n" ); document.write( " \n" ); document.write( " |