Question

If x is the average of k and 10,and y is the average of k and 4,what is the average of x and y,in terms of k ?

Answer 1

@hartnn I do not even know how to translate this

Answer 2

that made my head spin....

Answer 3

x=k+10/2

Answer 4

k+10 = 2x
k+4=2y
(x+y)/2 = ?

Answer 5

add first 2 equations and divide by 4

Answer 6

first teach me how to translate it ?

Answer 7

x is the average of k and 10
x= (k+10)/2

Answer 8

Oh i got it :D

Answer 9

good :)

Answer 10

k+7/2 @hartnn >Right or wrong ?

Answer 11

(2k+14) /4 = k/2+7/2

Answer 12

haha it is the same lol Thanks :)

Answer 13

6.7times10^-2=0.067 right or wrong ? @hartnn

Answer 14

right.