I need you to fill in my silly polls :-)
Tony Finch @fanf
28 Nov 2020
Replying to @fanf
A 25% speed up means new time is what multiple of old time?
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I would but intuitively none of the options you gave make sense to my brain. I want to pick 80% (whether I'm right or not) - which is that?
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How did you calculate 80%?
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25% speed up means five quarters of speed, so four fifths of time.
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impressive use of five quarters. I would say 1 + 1/4, convert that to 5/4 (which is still 5 over 4 in my head), and be much slower about it.
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Replying to @drjtwit @fanf
I used to do a lot of speed/time calculations in my head because the gym reported treadmill speed, but my watch reported time per km.

Nov 29, 2020 ยท 10:03 AM UTC
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