There are several someexamples are: 20+10 12+2815+15 13+27 4+26 and so on......
13 x 1
30
1 x 105, 3 x 35, 5 x 21, 7 x 15
The result of adding 15, 30, and 40 together is 85.
your adding 15
To make 30, you can add various pairs of numbers together. For example, adding 10 to 20 will give you 30, or adding 15 to 15 will also result in 30. Essentially, any two numbers that sum to 30 can be used, such as 0 and 30, or 25 and 5.
(30 / .5) + 10 = 60 + 10 = 70
They are 30, 60, 90, 120 .... just keep adding 30 each times
-30
multiply before adding. 30+(30*0)+1so 30+0+1 is 31
30 min
Adding 30 days to January 21 gives February 20.