exam Maths Puzzle Numerical Ability

1. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply with be on 3/4 of world grain demand. What will world grain demand be i

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exam Other Question
Factor each polynomial completely:
8x3(x to the third) - 27
I tried, (4x +9)(2x-3) is that close
8x2(x squared) +-12x +-18x -27 2x+3+3x=x+11