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Maths Puzzle
Numerical Ability
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Seventy two students are separated into two groups.the first group is 5 times as large as the second. How many students are in each group?
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Please help me solve this I do not understand how to do it.
Factor the polynomial 27x^3 - 8y^3.
OK I DONT GET HOW TO DO IT...
2/3 * 1/3??...