$7.80/hour = ______ cents/minute?

Answer 1

$7.80/1 hr
=1 hr/60 min
=100 cents/$1
=780/60
=13 cents per minute

Answer 2

$7.80 = 780 cents. Right?
And an hour is 60 minutes.
780 cents/60 minutes = 13 cents/minute.
Hope I helped. Peace out.