ANSWERS: 4
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29. No, sorry, that's 30.
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9,19,29,39,49,59,69,79,89,90,91,92,93,94,95,96,97,98,99. I think I'm missing one somewhere.
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20
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561.11 "How many" refers to division eg 18 how many 9s is 2, "in the range" would imply the sum of the divisions. So 1/9 + 2/9 + 3/9 etc = 561.11
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