Last week for maths we were doing problem solving, based on a bike.
Here is the question:
We worked out that each time you turn the crank the pedal gear will rotate 1 time and the sprocket will rotate 3 times. So if you turned the crank 9 times then the wheel would move 27 times beacuse 9x3=27.
Thanks for reading
comment question: Ho would you havde worked out the first question?
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