Odpowiedź:
C
a) 24 min = 24/60 h = 2/5 h = 0,4 h
b) 15 min = 15/60 h = 1/4 h = 0,25 h
c) 30 min = 30/60 h = 1/2 h = 0,5 h
d) 12 min = 12/60 h = 1/5 h = 0,2 h
e) 45 min = 45/60 h = 3/4 h = 0,75 h
f) 6 min = 6/60 h = 1/10 h = 0,1 h
D
a) 0,2 h = 2/10 h = 12/60 h = 12 min
b) 0,5 h = 5/10 h = 30/60 h = 30 min
c) 0,25 h = 1/4 h = 15/60 h = 15 min
d) 0,15 h = 15/100 h = 3/20 h = 9/60 h = 9 min
e) 0,3 h = 3/10 h = 18/60 h = 18 min
f) 0,6 h = 6/10 h = 36/60 h = 36 min
g) 0,05 h = 5/100 h = 1/20 h = 3/60 h = 3 min
h) 0,75 h = 3/4 h = 45/60 h = 45 min
i) 0,8 h = 8/10 h = 48/60 h = 48 min