Question

If y=5x, then the average ( arithmetic mean) of x and y, in term of x, is equal to
A) x
B) 2x
C) 3x
D) 4x
E) 5x

Answer 1

well; if x=2 then y=10

2+10
----- = 6
2

3x in that case

if x=4 y =20

3x = 12

24/2 = 12

id say 3x

Answer 2

i would too

Answer 3

thank you guys :)

Answer 4

\[\frac{x+5x}{2}=3x\]

Answer 5

so all you have to do is sub in any number for y

Answer 6

satelitte always does it the easy way lol

Answer 7

i lack the brains to go easy; i tend to brute math it all

Answer 8

but it easy under stand lol xD