Answer:
7.5
Explanation:
the tenths place is the first place in the decimals 0.1222 (the one)
If the number to the right of the tenths place is 5 or higher than the tenths place number moves up one. If it is 4 or lower than it stays the same.
The 6 is 5 or higher so the 4 rounds up to a 5
I hope that helps you :)