-75
The sum of these numbers is 563.
15 + 30 = 45
It would be 8:30.
-15
1 hour and 30 minutes
45 = 30 + m Subtract 30 from both sides: 15 = m
45
3(6a + 5) + 30 18a + 15 + 30 18a + 45
-30
8:30 plus 45 minutes equals 9:15. To add the two times together, you can convert 8:30 to 8:00 and add the 45 minutes to get 8:45. Then, adding another 30 minutes gives you a total of 9:15.
3m + 15 = 45 3m = 30 m = 10
its 1h15 min