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  1. M

    HSC Standard Mathematics Predictions / Thoughts

    492.4 i think
  2. M

    HSC Standard Mathematics Predictions / Thoughts

    yeah i got 43300
  3. M

    HSC Standard Mathematics Predictions / Thoughts

    it was just making the two equations equal to each other. Simultaneous equations is when you have to find two unknown variables. in this question there was only one unknow variable - his IQ
  4. M

    HSC Standard Mathematics Predictions / Thoughts

    I got 29
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