Mike and Beth both write the decimal 0.8 (0.88888...)as a fraction.

Mike: 45 Beth: 89

Which student wrote the correct fraction?
How do you know that student is correct?
Describe a mistake that could have been made by the student who wrote the incorrect fraction. (5 points)

2 answers

The decimal .8 as a fraction is 4/5
the decimal .8888... (showing the 8 repeats) is 8/9

They were two different questions, thus two different answers
What would i say for question C?