Question

What number is 0.1 more than 30.7?

30.71

30.8

31.7

31.8

Answer 1

30.8

Explanation:

Just add one to the same decimal place as the 0.1/0.7 and you get 0.8. The main number (30) does not change.

Answer 2

30.8

Explanation:

30.7+0.1=30.8