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Question 1 of 6
1. Question
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For ‘smallest number divisible by all’, think least common multiple.
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Question 2 of 6
2. Question
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First find how much the speed dropped, then divide by the original speed.
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Question 3 of 6
3. Question
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In ratio questions, add the parts first to find the total number of equal parts.
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Question 4 of 6
4. Question
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Try the ‘all chickens first’ strategy for heads-and-legs problems.
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Question 5 of 6
5. Question
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Turn each clue into an equation. Use the present-age relationship first, then the clue from 8 years ago.
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Question 6 of 6
6. Question
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Reverse the operations: undo ×3 first, then undo −3.