One year there was a total of 73 commercial and noncommercial orbital launches worldwide. in addition, the number of noncommercial orbital launches was one more than three times the number of commercial orbital launches. determine the number of commercial and noncommercial orbital launches.

answer is : muchas/tipicas

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~recklesschicken

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