The average is 2. To find the average you add all the numbers then divide the sum by the total amount of numbers.
Answer:
one hundred twenty million five hundred forty thousand
Answer: 9+4n-1 = 20
We can solve this by substitution.
Replace n with the value given, 3 (remember 4n means 4 times n):
9 + 4*3 - 1
Then work it out using arithmetic
9+12-1
=20
If you multiply 8.5 by 50 cents your answer will be 4.25
