Math re-post

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.

0 0
posted by efgeyfgeyfegfeygfyegfgeyf
today at 5:46pm

  1. 👍 1
  2. 👎 0
  3. 👁 368
  1. If you copied and pasted Erica's computation, that does not work here and we can not see it.

    0 0
    posted by Damon
    today at 5:50pm

  2. It is lacking the input needed anyway.

    1. 👍 0
    2. 👎 0
  3. dang ma, looks like you can hit it *dabs*

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physic

    You walk 55 m to the north, then turn 60° to your right and walk another 46 m. How far are you from where you originally started? Can someone help me with this question please? I have tried Pythagorean but it did not work. thank

    asked by John Yi on August 28, 2012
  2. math

    An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school,

    asked by Anonymous on March 9, 2011
  3. Science Repost for anonymous

    This was originally posted on another student's thread. I have a quick question 4- what is a physical or mental representation of an object or event? 1. a theory 2. a hypothesis 3. a model** 4- a scientific law 5- _________ is the

    asked by Ms. Sue on September 10, 2019
  4. Japanese

    On thursday I posted a question. I had done most of the work I just didn't put those things in my book. I have figured out some of those that I posted on Thursday and I have done everything else but can someone tell me what these

    asked by Caity on April 15, 2011
  5. English

    1. She is the principal of our school. 2. She is the principal whom I met before. 3. She is the only principal of our school. 4. She is the only principal whom I met before. [#1 means #3, right? What about #2? #2 doesn't seem to

    asked by rfvv on March 17, 2018
  1. math

    An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school,

    asked by Helen on April 21, 2009
  2. Chemistry - Repost for Raida

    This was reposted because the original was posted on another student's thread. An oxide of carbon contains 27% carbon. What is its empirical formula? I don’t understand this question can you please help 0 0 posted by Raida today

    asked by Ms. Sue on January 21, 2019
  3. Math repost for Will

    This was reposted because it was originally posted on another student's post. during a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3,600 meters,

    asked by Ms. Sue on February 27, 2019
  4. Math Repost for Can I Have Help

    This was originally posted on another student's question. -5 4/6 divide 2 1/5 0 1 posted by can i pls have help today at 9:19pm

    asked by Ms. Sue on October 22, 2019
  5. Social Studies - Repost for jaffit

    This question was originally posted on another student's thread. Cuba, in contrast to other nations in the Caribbean, has which type of government? A. democratic B. anarchist C. republican D. communist 0 0 posted by jaffit today

    asked by Ms. Sue on April 2, 2019

You can view more similar questions or ask a new question.