-55
Only once, because after that you do not have 60 to subtract from!
you would change hours to minutes. 1 hour=60 minutes
23
The difference between 275 and 215 is 60.
39
-46-60= -106
-60
7.6 * 60 = 456 minutes. We multipy by 60 because there are 60 minutes in an hour.
In order to find the number that, when added to 24, gives you 60, you would subtract 24 from 60. This gives you the answer of 36. Therefore, 24 plus 36 equals 60.
-55
One answer would be 0.There is a pattern of half the number and subtract 2. 4/2 - 2 = 0.
Only once, because after that you do not have 60 to subtract from!
you would change hours to minutes. 1 hour=60 minutes
54
23
The biggest number that goes into 60 evenly is 60.