Question

If 20a+20b=70, what is the average(arithmetic mean) of a and b?

Answer 1

Another DBZ fan!!!!!!

Answer 2

arithmetic mean will be (a+b)/2
from your equation a+b=7/2
so mean = 7/4
and yes :)

Answer 3

so wait

Answer 4

a+b=7/2

Answer 5

a+b=3.5

Answer 6

thats right .

Answer 7

so the average is 1.75 or 3.5?

Answer 8

1.75 because mean = sum/2

Answer 9

ahh

Answer 10

I see

Answer 11

ty, Son Goku

Answer 12

welcome :)