Question

4. Solve.

2.7 ≤ b + 5
b ≥ 7.7
b ≥ –2.3
b ≤ 2.3
b ≤ –7.

Answer 1

2.7 ≤ b+ 5
=> 2.7 - 5 ≤ b
=> -2.3 ≤ b

The answer is option 2.

Answer 2

the answer is
2.7 ≤ b + 5 implies 2.7 - 5 ≤ b , –2.3 ≤ b
so the answer is b ≥ –2.3