Question

The circumference of the large wheel is 4⋅2m, and that of the small wheel is 0⋅9m. In the beginning, the valves on both wheels are at the lowest point. After a few metres, both valves are again at the lowest point at the same time. After how many metres does this happen for the first time?



4.2m

6.3m

12.6

25.2

37.8

​

Answer 1

Answer:

The big wheel of this bicycle has perimeter 4.2 metres.

The small wheel has perimeter 0.9 metres. At a certain moment, the valve of both wheels are at their lowest point. The bicycle rolls to the left. After how many metres will both valves first be at their lowest point together again?

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It's the LCM (Least Common Multiple) of 0.9 and 4.2.

 

--> 12.6 meters

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14 turns of the 0.9

3 turns of the 4.2

Step-by-step explanation:

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Answer 2

Answer:

answer is 2n

Step-by-step explanation:

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