40-12=28
52 - 12 = 40
40 minus 28 = 12 were wrong
19 minutes 30 seconds minus 12 minutes 40 seconds = 6.833 minutes OR 6 minutes 50 seconds.
5/8-3/10 = 25/40 - 12/40 = 13/40
-12 - 40 = -52
40 - 28 = 12
40-12=28
52 - 12 = 40
40 minus 28 = 12 were wrong
19 minutes 30 seconds minus 12 minutes 40 seconds = 6.833 minutes OR 6 minutes 50 seconds.
5/8-3/10 = 25/40 - 12/40 = 13/40
65 minus 40 is 25. :)
-9h - 6 + 12h + 40 = 22 ie 3h = 22 + 6 - 40 h= -12/3 = -4
6 hrs 40 mins
-y minus 12 is 12.
8