paula and sam played in the park for 30 minutes. How many quarter hours did they spend in the park?

Answer 1

15 minutes = (1/4) hour
so
30 minutes = ?

Answer 2

todd and karen start playing chess at 3 o `clock they play for 3 quarter hours how many min later do they finish playing chess

Answer 3

1 quarter hour = 15 minutes.
3 quarter hours = ? minutes

Answer 4

45 is the second answer to the second question.i don't know the first question