Then she needs to find her "heart rate reserve" h by subtracting her average resting heart rate r from her maximum heart rate m. Write an equation she can use

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

imma say 16%. sorry if its wrong. i'm doing the same stuff right now

step-by-step explanation:

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hello,

as   long as they add up to 180 its correct.