Math for Ms. Sue please last questions

2.

In a school of 464 students, 89 students are in the band, 215 students are on sports teams, and 31 students participate in both activities.

How many students are involved in neither band nor sports?
(1 point)

160 students
191 students
249 students
433 students

3.
In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? (1 point)

210 people
420 people
630 people
none of these

My answers:
2. 160 students
3. 210 people

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  1. Your first answer is right. The second is wrong.

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    Ms. Sue
  2. okay thank you. Hold on while I fix it.

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  3. I am confused! Why is the answer wrong? Can you please explain why!

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  4. 630 use band P. 210 use both brands.

    630 - 210 = 420 use only brand P.

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    Ms. Sue
  5. Oh I see! I was doing 620 - 420 = 210! Thank you!

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  6. You're welcome. :-)

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    Ms. Sue
  7. actually Ms. Sue the answer for 2 was 191...why?

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  8. I don't know. Ask your teacher.

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    Ms. Sue
  9. 191 makes no sense since all of the numbers end in 0.

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    Ms. Sue
  10. For number 2, you have 89 students that are in the band, 215 students that are on sports teams, and 31 students that participate in both activities.

    Now remember that they are counting the people that are both, twice. So you need to find out how many people are just in the band and sports teams and not both. So:

    89 - 31 = 58 people are in the band
    215 - 31 = 184 people are on the sports team
    31 people are in the band and are on the sports teams.

    Now we add the number of people who play either and or both and then subtract it from how many students are in the school.

    184 + 58 + 31 = 273
    464 - 273 = 191

    So here we see there are 191 students who are involved in neither band nor sports. Hope this helps. :)

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  11. 2 is wrong it is 191
    3 is also wrong 420

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  12. 1.A
    2.B
    3.B
    4.B

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  13. Thank you yango your answers are correct i got 100%!!!

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  14. ya yango is right!

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  15. YANGO IS RIGHT!!!!

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  16. Yango is correct!!!!!!!!!!!

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  17. Thank you Yango!!!

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  18. Thank you so much, Lady Lyric!!!!
    Also, Yango is right, the answers are ABBB.

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  19. Thanks Yango!

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  20. A
    B
    B
    B


    Still same answers for 2018

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  21. Thank you SO MUCH Lady Lyric!! i had no clue why i wasn't getting the right answer! i wasnt subtracting 31 from each sport! XD i simply added 89, 31, and 215. woopsies! well, thanks again Lyric!! @Lady Lyric

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  22. thx so much lady lyric! i didnt understand the problem at all

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  23. thanks yango and lady lyric

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