maninthemirror
New member
- Joined
- Jan 2, 2016
- Messages
- 8
Pamela found the average of some numbers to be 124.5. She realized that she had keyed in one number wrongly. Instead of keying in 153, she keyed in 135. The actual average was 129. How many numbers were there?
Please help. Need help desperately as my submission is tmr
Please help. Need help desperately as my submission is tmr