Question

The mean weight of 4 Students Of A class is 32 kg if the weight of 3 students 28 kg ,36 kg and 20 kg find the weight of 4th student

Answer 1

Answer:

28+36+20+x=32×4

84+x=128

x=128-84

x=44

so the fourth child's weight will be 44 kg.

Answer 2

Answer:

44 kg

Step-by-step explanation:

Fourth student=x

(28+36+20+x)÷4=32

(84+x)÷4=32

21+0.25x=32

0.25x=32-21

0.25x=11

0.25x×4=11×4

x=44 kg

Fourth student=x=44 kg