Question

a)3ore +15min
+20s;
b)35min.+50s;
c)200s+2ore;
d)5ore.
-240min.-3540s;
e)2,5ore+30,5min.

Answer 1

a) 11720s

b) 2150s

c) 7400s

d) 60s

e) 10830s