document.write( "Question 1130641: Tony weighs 8kg more than Dave. Jim is twice as heavy as Dave. Their combined weight is 352kg. Calculate Daves weight as a percentage of Tonys weight to 2dp. \n" ); document.write( "
Algebra.Com's Answer #747312 by ankor@dixie-net.com(22740)\"\" \"About 
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Tony weighs 8kg more than Dave.
\n" ); document.write( "t = d + 8
\n" ); document.write( " Jim is twice as heavy as Dave.
\n" ); document.write( "j = 2d
\n" ); document.write( " Their combined weight is 352kg.
\n" ); document.write( "t + d + j = 352
\n" ); document.write( "replace t and j
\n" ); document.write( "(d+8) + d + 2d = 352
\n" ); document.write( "4d = 352 - 8
\n" ); document.write( "4d = 344
\n" ); document.write( "d = 344/4
\n" ); document.write( "d = 86 Kg is Dave's weight
\n" ); document.write( " Calculate Daves weight as a percentage of Tonys weight to 2dp.
\n" ); document.write( "find t
\n" ); document.write( "t = 86 + 8
\n" ); document.write( "t = 94 kg is Tony's weight
\n" ); document.write( "Find the percentage of d to t
\n" ); document.write( "\"86%2F94\" * 100 = 91.49%
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