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40 per cent of what number is equal to 60 per cent of 100? |
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What is the least positive integer k for which 3k is the cube of a number? |
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A triangle has a perimeter 15. The two longer sides have integer lengths equal to x + 1 and x + 2. Which of the following could be the length of the other side? |
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If the product of 4 integers is positive, at most how many of the integers can be negative? |
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If Bill works 6 hours a day, Monday through Friday, how many days will it take him to make $720 if he makes $8 an hour? |
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