Respuesta :

Her dance class is 1 hour and 45 minutes long 

Hope this helps!
4:30 to 5 is 30 minutes.

5 to 6 is 60 minutes. (an hour)

6 to 6:15is 15 minutes.

60= 1 hour 30+15= 45 minutes

Her dance class is 1 hour and 45 minutes long.

I hope this helps!
~kaikers
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