Question
28 min 29 s - 16 min 56 s = (a) _____  min (b) _____ s
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

28 min 29 s - 16 min 56 s = (a) _____  min (b) _____ s