document.write( "Question 138007This question is from textbook Pre-Algebra
\n" ); document.write( ": Please help with this problem:\r
\n" ); document.write( "\n" ); document.write( "A student weighs her hamsters two at a time. Sandy and
\n" ); document.write( "White Ears weigh 209 g together. White Ears and Sport weigh 223 g together. Sandy & Sport weigh 216 g together. How much does each hamster weigh?\r
\n" ); document.write( "\n" ); document.write( "Thank you for your help.
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Algebra.Com's Answer #100846 by ptaylor(2198)\"\" \"About 
You can put this solution on YOUR website!
Let x=Sandy's weight
\n" ); document.write( "Then 209-x=White Ear's weight
\n" ); document.write( "Sport weighs 223-(209-x)\r
\n" ); document.write( "\n" ); document.write( "And we are told that Sandy and Sport weigh 216 g together, so our equation to solve is:\r
\n" ); document.write( "\n" ); document.write( "x+223-(209-x)=216 get rid of parens\r
\n" ); document.write( "\n" ); document.write( "x+223-209+x=216 simplify
\n" ); document.write( "2x+14=216 subtract 14 from each side
\n" ); document.write( "2x+14-14=216-14 collect like terms\r
\n" ); document.write( "\n" ); document.write( "2x=202 divide both sides by 2
\n" ); document.write( "x=101 g------------------------------Sandy's weight
\n" ); document.write( "209-x=209-101=108 g---------------------White Ear's weight
\n" ); document.write( "223-(209-x)=223-209+101=115 g-------------Sport's weight\r
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\n" ); document.write( "\n" ); document.write( "CK\r
\n" ); document.write( "\n" ); document.write( "Sandy and White Ears:
\n" ); document.write( "101+108=209
\n" ); document.write( "209=209
\n" ); document.write( "White Ears and Sport:
\n" ); document.write( "108+115=223
\n" ); document.write( "223=223
\n" ); document.write( "Sandy and Sport:
\n" ); document.write( "101+115=216
\n" ); document.write( "216=216\r
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\n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor\r
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