document.write( "Question 207037: A barn has stalls for 1000 animals. Forty percent of the stalls are for ponies and the rest for horses. On Tuesday, there were 200 ponies and a bunch of horses at the barn. The barn was 75 percent full. How many horses were in the stalls?\r
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document.write( "(A) 400 (B) 450 (C) 500 (D) 550 (E) 600 \n" );
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Algebra.Com's Answer #156531 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! D) 550 \n" ); document.write( "let y = horses \n" ); document.write( "200+y=1000(.75) \n" ); document.write( "200+y=750 \n" ); document.write( "Subtract 200 from both sides \n" ); document.write( "200-200+y=750-200 \n" ); document.write( "y=550 \n" ); document.write( " |