In how many different ways can 5 bicycle be parked if there are 7 available parking spaces

asked Jan 2, 2023 25.1k views

23 votes

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5 votes

Answer:

21 ways

Explanation:

there are 7 spaces but 5 bicycles

=> ⁷C₅ ways or ⁷C₂ ways

=> 7 x 6 / 1 x 2

=> 21 ways

RayLuo answered Jan 7, 2023

4.8k points

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