Question

1 hour 40minutes + 1 hour 20 minutes =​

Answer 1

2hour60min

Step-by-step explanation:

In 1 hour= 60minutes

60min+60min= 120min= 2hour

40min+20min= 60min

Please like this answer

Answer 2

________________

$\mathfrak\red{\underline{Answer}}$

1 hour 40 minutes + 1 hour 20 minutes = 3 hours

[ 40 min + 20 min = 60 min ]

[ 60 min = 1 hr ]