document.write( "Question 313688: a giraffe is six times heavier than a lion. a zebra is one-quarter as heavy as a lion. together they are 450kg. how much does each animal weigh?
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Algebra.Com's Answer #224339 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! Let x = weight of the lion, since this is at the end of each phrase of the problem.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6x= weight of the giraffe\r \n" ); document.write( "\n" ); document.write( "(1/4)x= weight of the zebra\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+6x + (1/4)x=450\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply both sides by 4: \n" ); document.write( "4x+ 24x+ 1x= 1800 \n" ); document.write( "29x=1800 \n" ); document.write( "x=62.07 lbs approximately = LION \n" ); document.write( "6x=372.41 lbs approximately = GIRAFFE \n" ); document.write( "1/4 x = 15.52 lbs approximately = ZEBRA\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Sum = 450 pounds\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You really need to see my own website for all the FREE resources that I have there, including my OWN explanation of Word Problems. To see my website, click on my tutor name \"Rapaljer\" anywhere in algebra.com. On my information page, click on the link to my website. Look for the link on my Homepage \"Basic, Intermediate, and College Algebra: One Step at a Time.\" Choose \"Basic Algebra\", then \"Chapter 1\" and look for Sections 1.09 and 1.10, the topics about Word Problems . This is my OWN non-traditional explanation, complete with examples, exercises, and ALL of the answers, that my own students found much easier to understand than the regular textbooks. See also my \"Math in Living Color\" pages that go with this section. In these pages, I explain the solutions to many of the exercises IN LIVING COLOR!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired \n" ); document.write( "Seminole State College of Florida \n" ); document.write( "Altamonte Springs Campus \n" ); document.write( " |