Answer:
2, 3 and 5 are the answers.
Explanation:
r + 45 < 16 - 45
r + 45 – 16 < 16 – 16
r + 45 + 3 < 16 + 3
r + 45 - 16 < 16
r + 45 - 45 < 16 - 45
6.0m questions
7.9m answers