The average will be the third number, because the first and fifth, as well as the second and fourth, will average out to the third.
Answer:
x = 8
Step-by-step explanation:

do cross multiplication

Answer:
6y+12z
Step-by-step explanation:
Multiply 3 with the numbers inside the parenthesis
3 x 2 and 3 x 4
6 and 12
34/2380
we can divide by 2 on top and bottom
17/1190
17 is prime so that is simplest form
nevermind
1/70
if you wanted decimal, use yor calculator and get 0.01428571428571428571428571428571