contestada

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

Respuesta :

Answer:

21 ways

Step-by-step explanation:

there are 7 spaces but 5 bicycles

=> ⁷C₅ ways or ⁷C₂ ways

=> 7 x 6 / 1 x 2

=> 21 ways

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