Question: the average weight of 8 person ' s increases by 2.5 kg when a new person comes in place of one of them weighing 35 kg . what is the weight of the new person ?
A) 75
B) 65
C) 55
D) 95
E) 80
Correct answer: c
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.B.4