Question

40min20 sec -40 min 50sec

Answer 1

→ Hope it helps you!

Answer 2

Answer:

30 sec

Step-by-step explanation:

beacause here we are using subtraction .but here there are points also so 40.50-40.20 equal to

40-40 is 0 then

50-20 is 30 so

40.50-

40.20

________

.30 sec