SIMULATION - The number of attendees at a certain annual conference is 256 this year and has always doubled every five years. How many people attended the conference 20 years ago? Click on the answer box, then type in a number. Backspace to erase.
There is a typo in the explanation below.
5 years ago: 128
10 years ago: 64
15 years ago: 62 >>>>> Should be 32
20 years ago: 16
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MHALLAQ
10 months, 4 weeks ago