document.write( "Question 1200968: Amy, Betty and Casey decided to buy a camera for their father. Amy would pay 30% of the usual price of the camera. Betty would pay 2/5 of the remaining amount and Casey will pay the rest. At the shop, the price of the camera had increased by 25% of its usual price. As a result, Amy paid $255 for the camera.
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document.write( "(a) What was the usual price of the camera ?
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document.write( "(b) How much did Casey have to pay in the end? \n" );
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Algebra.Com's Answer #835188 by Theo(13342)![]() ![]() You can put this solution on YOUR website! amy has agreed to pay 30% of the usual price of the camera. \n" ); document.write( "betty would pay 2/5 of the remaining amount. \n" ); document.write( "casey will pay the rest.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "at the shop, the price of the camera had incresed by 25% of its usual price. \n" ); document.write( "as a result, amy paid $255 for the camera.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since amy agreed to pay 30% of the usual price of the camera, then the usual price of the camera would have to have been 255/.3 = 850.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since the usual price of the camera was increased by 25%, then the new price of the camera had to be 850 * 1.25 = 1062.5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtract 255 from that to get a remaining new price of 807.5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "betty agreed to pay 2/5 of the remaining price = 2/5 * 807.5 = 323. \n" ); document.write( "807.5 minus 323 = 484.5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that's how much casey had to pay in the end.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "breakdown was: \n" ); document.write( "amy = 255. \n" ); document.write( "betty = 323 \n" ); document.write( "casey = 484.5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "total paid was 1062.5.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |