Math

The school band is comprised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1:8. However, this year the ratio of the number of middle school students to the number of high school students changed to 2:7. If there are 18 middle school students in the band this year, how many fewer high school students are in the band this year compared to last year? Expain.

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  1. this year:
    middle : high = 2 : 7 = 2x : 7x
    2x = 18
    x = 9
    so this year we have 18 high and 63 middle
    for a total of 81 students

    last year:
    middle : high = 1:8 = y : 8y

    but y + 8y = 81
    y = 9
    So last year we had 9 middle and 72 high school students

    So difference in high = 72-63 or 9 high school students fewer

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  2. so I could post this :
    18 high school students
    56
    27

    21
    9+10=19
    9+10=21

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  3. P.s I am sorry but this is not the right answer

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  4. Jeanette wants to save money,the ratio of money jeanettes saving account to the amount to the account of money in her checking account was 1:6 her checking account is 4:3 if Jeanette had $936 in her checking account before moving money how much money does Jeanette have in each account after moving money

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  5. I really think it is 72-63 or 9

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  6. my tacher told me is wasn't 9 and it was 12 please help

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  7. The student to faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many students?

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  8. i think 9 is right

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  9. No it's 12 because you convert the 720 to get 120 then get 16-4=12 ok? I done this problem in math class (I am a kid by the way)

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  10. 23 middle school

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  11. 23,333,333,333,333,333,333,333,333,333,333 to 1.
    Easy money boyzzz

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  12. Thanks for the help guys

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  13. 12

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  14. help pls

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  15. the answer is 9

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  16. No it's 12 because you convert the 720 to get 120 then get 16-4=12

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  17. Luke is right

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  18. Luke is right

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  19. Yea his response is valid

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  20. I agree with everyone Luke is right

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