20 is between 10 and 30.
Add by 10 each time.
10 ,20 ,30 ,40 ,50
It is: 20
If you have between 20 and 30 coins and if you share them among 10 people how many coins you will get will depend on how you divide the coins. For example, if you have 30 coins and divide them evenly between 10 people, you will all get three coins each.
20 is between 10 and 30.
(10+20)/2 = 30/2 = 15
-10 degrees
30-20 = 10
30 or -10 if the 20 is negative.
30
10
Add by 10 each time.
If you are including 10 and 30 there are 11 even numbers. If you are not counting 10 and 30 there are 9 even numbers between 10 and 30.
10 ,20 ,30 ,40 ,50
300
30