Mathematics, 03.02.2020 19:52 Kencharlot

Anna does sit-ups to get ready for her first triathlon. when she starts, she does a sit-up every seconds. but, as she gets tired, each sit-up takes longer and longer to do.
is the number of sit-ups anna does proportional to the time she spends doing them?

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Anna does sit-ups to get ready for her first triathlon. when she starts, she does a sit-up every se...