exam Maths Puzzle Numerical Ability

A grocer wants to mix together some cashews costing $8 per kilogram with some Brazil nuuts costing $10 per kilogram. The grocer wants to sell 12 kg of the mixture for $8.50 per kil

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exam Other Question

Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers.

root ( 3, 512x^8/y^3 ) y=-1/2x-4
the known factors are x ___, -2, ___,2.
y -1, ___, -4, ___.
for plotting the graph.

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