If the average of five consecutive whole numbers is 18, what is the smallest number?
3 answers
16
How did you solve it? Thank you.
I guessed it was 16. Then I took the average of 16, 17, 18, 19, 20.
Yep, the average of the 5 consecutive numbers was the middle number.
Yep, the average of the 5 consecutive numbers was the middle number.