Question

1 min 20 s + 3 min 45 s

Answer 1

Answer:

1 min 20 s + 3 min 45 s = 4 min 5 s

Hope it helps uhh

Step-by-step explanation:

Answer 2

$\boxed{ \tt{ \green{1 \: minute \: = 60 \: \: seconds}}}$

then ,

1 min 20 s = 60 + 20 = 80 seconds

3 min 45 s = 3×60 + 45 = 180 + 45 = 225 seconds

$\tt{ \blue{80 + 225 = 305 \: seconds \: or \: 5 \: min \: 5 \: sec}}$