If you copied and pasted Erica's computation, that does not work here and we can not see it.
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posted by Damon
today at 5:50pm
Reposted because it was originally posted as a reply to another student's question.
School started at 8:05 a.m. and ended at 2:40 p.m. The work below shows Erica’s calculation of the length of the school day.
Which two errors did Erica make?
1.She subtracted instead of adding the times.
2.She subtracted the end time from the start time.
3.She did not regroup 1 hour for 60 minutes to subtract the minutes.
4.She did not account for a.m. and p.m. in the start and end times.
5.She switched the hours and minutes in both the start and end times.
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posted by efgeyfgeyfegfeygfyegfgeyf
today at 5:46pm
3 answers
It is lacking the input needed anyway.
dang ma, looks like you can hit it *dabs*
2 answers