Difficulty Level: Medium
Stats: 298 / 724 ( 41.16% ) got this right
The average weight of 8 people in an elevator increases by 2.5 kg when a one person gets off at floor 8 and a new person gets in weighing 65 kg. What is the weight of the new person?
- 76 kg
- 80 kg
- 82 kg
- 85 kg
- 90 kg