exam Maths Puzzle Numerical Ability

4x+27=3x

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exam Other Question

simplify the following radical expression assume that all variables represent positive real numbers

/50 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?