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(...) Isn't that known as algebra? How do you express gayness or highness in variables or linear systems? (I'm now going to remove that line on the rtlToronto presentation file that says "Problem solving oriented". Shameful.) Calum (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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(...) huh? algebra? is that like fake numbers and all that phooey? hummm. let me do some search on line for... how do you say.... algebra. I mean any word with bra in it has to be cool right? (...) I use variables like X, Y & Z. in fact all my (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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In lugnet.org.ca.rtltoronto, Chris Magno wrote: <snip> (...) rtlToronto's problem solving--get yer 'bot to do this! No problem Algebra's not a problem, it's hell. ;) But I always seem to work 'em out. So far, have gotten thru most of the building at (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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In lugnet.org.ca.rtltoronto, David Koudys wrote: fer example, the last one i did-- Dan (always seems to be) twice as old as Mike Mike was 5 years younger than Ben Ben was 10 years younger than Dan Solve for Ben (as the clue) Ben = Dan - 10 Dan = (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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(...) Dan = 2xMike Ben = Mike + 5 Ben = Dan - 10 Substitute for Dan: (2xMike) - 10 = Ben = (Mike + 5) 2xMike - 10 = Mike + 5 Add 10 to each side: 2xMike = Mike + 15 Rewrite as: Mike + Mike = Mike + 15 Subtract a Mike from each side: Mike = 15 (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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(...) I think from here it goes: Ben = (2(Ben) - 10) -10 (dave had an addition sign...) Ben/2(Ben) = 20 1/2 Ben = 20 Ben = 40 .... ? (20 / 1/2) .... DOH! Jeff VW (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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(...) Ben = 2Ben + 10 - 10 Ben - 2Ben = 2Ben - 2Ben + 0 -Ben = 0 Something is wrong here....... (...) Ben = Dan - 10 (susbstitute for Dan) Ben = (Mike x 2) - 10 (substitute for Mike) Ben = 2(Ben - 5) - 10 (solve for ben) Ben = 2Ben - 10 - 10 Ben - (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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(...) Ahh, I see my fallacy-- I went -5 x 2 but applied the same rule as when you multiply two negative numbers!!! (two negative numbers multiplied = positive number) Grr!!! Maybe I need a refresher course in mathematics 101 Oh more than likely... (...) (21 years ago, 3-Sep-03, to lugnet.org.ca.rtltoronto)
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