1,134 Is the answer to your question.
770 + 304 + 60 = 1,134
760 and 770
304 + 304 = 608
200 + 175 + 286 + 304 + 321 = 1,286
The answer = 3500
304
180 plus 124 = 304
360
60+60+60+60+60+60+60+60 =480 All the addition can happen in the same step. This is the same as 60*8.
300 !
Twelve hours and 50 minutes is: 12 hours X 60 minutes in one hour plus 50 minutes 12 X 60 = 720 720 + 50 = 770 minutes
The answer is = 4580
60 + 60 + 60 + 50 + 50 + 40 + 30 = 350