Look at the sample work shown and determine the error, if any. The multiplication property of equality was not performed correctly.

The addition property of equality was not used correctly.

There are no mistakes.

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

if i put something wrong your not gonna like it so rather not say nothing.