Respuesta :
Answer:
r ≥ 20
Step-by-step explanation:
r/3 - 9 ≥ - 2
r/3 ≥ 7
Multiply both sides by 3
r ≥ 21
Answer: Good deal
Step-by-step explanation:
r/3-9≥2
r ≥ 20
r/3 - 9 ≥ - 2
r/3 ≥ 7
3 r ≥ 20
Answer:
r ≥ 20
Step-by-step explanation:
r/3 - 9 ≥ - 2
r/3 ≥ 7
Multiply both sides by 3
r ≥ 21
Answer: Good deal
Step-by-step explanation:
r/3-9≥2
r ≥ 20
r/3 - 9 ≥ - 2
r/3 ≥ 7
3 r ≥ 20