document.write( "Question 855849: Tinky WInky is 8 years older than Po. Four times Po's age less seven times Tinky Winky's age is 2. How old are they? I have tried the formulas P=T-8 & 4P-7T=2, which doesn't work. \n" ); document.write( "
Algebra.Com's Answer #515590 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! w for Tinky Winky's age \n" ); document.write( "p for Po's age \n" ); document.write( "- \n" ); document.write( "First sentence translated is w=8+p. \n" ); document.write( "Second sentence translated is 4p-7w=2, but this \"less\" part seems unclear to me. It might really mean, 7w-4p=2. I need to see a \"than\" in use before I can understand exactly. \n" ); document.write( "- \n" ); document.write( "YOU said that the one of mine, 4p-7w=2 does not work. MAYBE my other one does?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substituting for w into what might be the proper needed second equation: \n" ); document.write( "7(8+p)-4p=2 \n" ); document.write( "56+7p-4p=2 \n" ); document.write( "3p+56=2 \n" ); document.write( "Which neither works!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Trying the other \"second\" equation instead: \n" ); document.write( "4p-7(8+p)=2 \n" ); document.write( "4p-56-7p=2 \n" ); document.write( "-3p-56=2 \n" ); document.write( "3p+56=-2 \n" ); document.write( "3p=-58 \n" ); document.write( "Which does not work, just as you had found.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I find no other interpretation or translation for that second sentence. \n" ); document.write( "-----WAIT! Maybe there IS another! \n" ); document.write( "----- \n" ); document.write( "-----\r \n" ); document.write( "\n" ); document.write( "4(Po -7w) is 2. Still unclear because missing \"than\". Maybe one of these then: \n" ); document.write( "4(p-7w)=2 OR 4(7w-p)=2.\r \n" ); document.write( "\n" ); document.write( "Let me try one: \n" ); document.write( "4p-28w=2, substitute, \n" ); document.write( "4(w-8)-28w=2 \n" ); document.write( "4w-32-28w=2 \n" ); document.write( "-24w-32=2 \n" ); document.write( "24w+32=-2 \n" ); document.write( "We see this will NOT work.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Last possibility: \n" ); document.write( "28w-4p=2, substitute, \n" ); document.write( "28w-4(w-8)=2 \n" ); document.write( "28w-4w+32=2 \n" ); document.write( "24w=2-32 \n" ); document.write( "Which obviously will only give a w<0, meaning the equation did not work either. \n" ); document.write( " |