4 hari + 72 jam + 1800 menit =....hari

4 hari + 72/24 +1800/60/24
=4 hari +3 hari +1.25 hari = 8.25 hari 

4 hari + 72 jam + 1800 menit = ..............hari
4 hari = 4 hari
72 jam= 72÷24 = 3 hari
1800menit= 1800÷60=30jam=1,25 hari
= 8,25hari
*semoga membantu*