Question

2. The average weight of 6 students in a class
is 120 kg. The weights of first five students
were 100, 120, 130, 105 and 115 kgs
respectively. Find the weight of 6th
student?
O A. 160 kg
O B. 150 kg
O C. 170 kg
O D. 55 and 45​

Answer 1

Answer:

150 B

I think it will help you

Answer 2

Answer:

150kg

Step-by-step explanation:

Wx=sigmax/n(formula)

120=100+120+130+105+115+x/6

120=570+x/6

720(120×6)=570+x

720-570=x

x=150