SOLUTION: Q: If x in an integer such that 200<3x^3<400, find x.
-> SOLUTION: Q: If x in an integer such that 200<3x^3<400, find x.
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Q: If x in an integer such that 200<3x^3<400, find x.
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Divide everything in the inequality by 3
x = 5 works since 5^3 = 125. 4 and 6 don't satisfy so the only solution is x = 5.