Question
The average length of the eight words Betty was asked to spell was 9 letters. The first seven words had the following lengths: 8 letters, 9 letters, 6 letters, 10 letters, 7 letters, 9 letters, and 11 letters. What was the length of the eighth word?
Answers
Ms. Sue
9 * 8 = ?
Add the number of letters in the first seven words. Subtract that sum from the product above.
Add the number of letters in the first seven words. Subtract that sum from the product above.
darrin
26