exam Maths Puzzle Numerical Ability

FACTORIZE:
18x3y-45x2yz

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exam Other Question

Give an example of a number that is a real number but not an irrational number A mixture of birdseed contains sunflower seeds worth $1.30 per kilogram and other seeds worth #0.90 per kilogram. How many kilograms of each kind must be used to produce 100 kilograms of mixture that sells $1.00 per kilogram?