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"I gave Heidi, Logan and Daisy a whole number I was thinking of."
Heidi: "I'm multiplying your number by 4 or 5."
Logan: "I'll add 4 or 5 to Heidi's answer."
Daisy: "I'll subtract 4 or 5 from Logan's answer."
"Daisy told me the final answer to their unpredictable calculations was 173. What number did I give them to start off with?"
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