Monday, March 15, 2010

Algebra Puzzle ( 3x3 )


3 guitars = 42
42÷3=14
Therefore, 1 guitar represents 14.
2 umbrellas+1 guitar=40
( 40-14 )÷2=13
Therefore, 1 umbrella represents 13.
2 umbrellas+1 gear=35
35-13-13=9
Therefore, 1 gear represents 9.
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1 comment:

  1. Loh Kwai YinMarch 16, 2010 at 2:10 PM

    Joshua

    That's good reasoning :D
    Next challenge:
    Let's try to use the algebraic method to solve (like the one presented in the Maths blog)... so, will have to write down

    Let x be... , let y be....

    ReplyDelete

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