document.write( "Question 31103: A full grown giraffe is about 6 times heavier than a full grown lion. A full grown cheetah is about one quarter as heavy as a full grown lion. Together, they are about 450kg. What is the approximate mass of each animal?
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Algebra.Com's Answer #17801 by ikdeep(226)![]() ![]() You can put this solution on YOUR website! Let weight of full grown giraffe = g \n" ); document.write( "Let weight of full grown lion = l \n" ); document.write( "Let weight of full grown chettah = c\r \n" ); document.write( "\n" ); document.write( "According to first condition i.e. full-grown giraffe is about 6 times heavier than a full grown lion.... we get the equation \r \n" ); document.write( "\n" ); document.write( "g = 6l.................(1)\r \n" ); document.write( "\n" ); document.write( "According to second condition i.e. A full grown cheetah is about one quarter as heavy as a full grown lion.... we get the equation \r \n" ); document.write( "\n" ); document.write( "c = l/4.................(2)\r \n" ); document.write( "\n" ); document.write( "According to third condition i.e. Together, they are about 450kg.... we get the equation ..\r \n" ); document.write( "\n" ); document.write( "g + c + l = 450kg\r \n" ); document.write( "\n" ); document.write( "Putting the values of g and c from (1) and (2)...we get \r \n" ); document.write( "\n" ); document.write( "6l + l/4 + l = 450\r \n" ); document.write( "\n" ); document.write( "solving the LHS and taking the LCM would give us ...\r \n" ); document.write( "\n" ); document.write( "29l/4 = 450\r \n" ); document.write( "\n" ); document.write( "on cross multipication we get ....\r \n" ); document.write( "\n" ); document.write( "29l = 1800\r \n" ); document.write( "\n" ); document.write( "l = 62 kg apporoximately..\r \n" ); document.write( "\n" ); document.write( "Now put the value of l in (1) and (2) we get..\r \n" ); document.write( "\n" ); document.write( "g = 6l\r \n" ); document.write( "\n" ); document.write( " = 6 * 62\r \n" ); document.write( "\n" ); document.write( " = 372kg\r \n" ); document.write( "\n" ); document.write( "c = l/4 \r \n" ); document.write( "\n" ); document.write( " = 62/4\r \n" ); document.write( "\n" ); document.write( " = 16 kg appoximately..\r \n" ); document.write( "\n" ); document.write( "therefore lion = 62kg ,,,,giraffe = 372kg and chettah = 16kg...and to verify ,,,if we add their weight adds upto 450kg,,,, which is our third condition in the question... \n" ); document.write( " \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |