A magician is preparing for a show by unpacking her box of props. She will need a silver hoop, a blindfold, a cape, a set of handcuffs, and a coin for the show. In how many different orders can they be unpacked?

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

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answer: the answer is 110