Jo Anne needs to do a speech in her English class that can't be more than 4 minutes long. She timed herself when she practiced last night and was within the time limit. In class, her speech was 10 seconds less than the one she did at home. What are the possible times for the speech at school?

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23-02-2022
Mathematics

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Jo Anne needs to do a speech in her English class that can't be more than 4 minutes long. She timed herself when she practiced last night and was within the time limit. In class, her speech was 10 seconds less than the one she did at home. What are the possible times for the speech at school?

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joaobezerra joaobezerra · Answer 1 · 2022-03-04T10:13:50+01:00

According to the given constraint and the fact that when she practiced at home she was within the allotted time, then in class her speech was 10 seconds less than the one she did at home, the possible times for her speech is of at most 3 minutes and 50 seconds long.

What is the situation?

Her speech can of at most 4 minutes, and on practice at her home she was within this time.

At school, she was 10 seconds faster than at home, which means that the possible times for her speech is of at most 3 minutes and 50 seconds long.

A similar problem, in which a situation is modeled, is given by https://brainly.com/question/24812278