Question

Stats question help needed

Answer 1

@hartnn Help please......

Answer 2

tried ?

Answer 3

I cannot interprate sorry :'(

Answer 4

let x girls and y boys

Answer 5

Ok so

x+y=150

Answer 6

sum of weight of x girls /x = 55

Answer 7

sum of weight of y boys/y = 70

Answer 8

Okay got this

Answer 9

total sum of weight /150 =60

Answer 10

total sum of weight = sum of weight of y boys+sum of weight of x girls

Answer 11

got this ?

Answer 12

55x+70y = 60*150
x+y=150
solve simultaneously

Answer 13

Wow man you are awesome thanks a lot (y)

Answer 14

welcome ^_^

Answer 15

x=50 and y=100 @hartnn Correct?

Answer 16

no..

Answer 17

Then :/