Answer:
105 ≤ x ≤ 255
Step-by-step explanation:
Given that :
Let weight range = x
130 ≤ x ≤ 280
Total weigh of gear = 25 pounds
The weight range without gear that is acceptable :
130 - weight of gear ≤ x ≤ 280 - weight of gear
130 - 25 ≤ x ≤ 280 - 25
105 ≤ x ≤ 255