Question

The average of sixteen numbers was 25. After an extra

number was included, the new average was 30.
What was the 17th number?

Answer 1

110

Explanation:

x/16=25

&

x/17=30

the total blue for the first scenario:

x=400

&

the total value for the second scenario

x=510

the difference between the two is 110

(400+110)/17=30

Answer 2

i would say 25 since its mostly what people said but i don't know if im right

Explanation: