What plus what is equal to 30?

Answer 1

There are an infinite number of answers to this question, when you include the negatives.

However, when just including the positive numbers, you have:

0 + 30

1 + 29

2 + 28

3 + 27

4 + 26

5 + 25

6 + 24

7 + 23

8 + 22

9 + 21

10 + 20

11 + 19

12 + 18

13 + 17

14 + 16

15 + 15

Answer 2

There are infinitely many possible answers. 1 + 29 = 30

1.1 + 28.9 = 30

1.01 + 28.99 = 30

are three examples.