math

1-There are 18 boys and 12 girls in a math class. What is the ratio of girls to total students?
A. 18:30
B. 12:30
C. 30:12
D. 30:18

2- Which of the following ratios are equivalent to 6:9? choose all that apply. (2 are correct)
A. 3:2
B.18/27
C.30:45
D:24/32
3- what is the cost of 1 CD if 3 CD's cost 29.85
A. 9.65
B. 8.95
C. 9.95
D. 9.85
4-Milo types 35 words per minute. How many words can he type in 7 minutes?
A.245 words
B.240 words
C.250 words
D.275 words
PLEASE HELP!!!!!!!!!!!

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  1. here the answers :)
    B
    A,C
    C
    A
    A,B
    B
    A

    Trust meh I done this

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  2. Wolfie, it would be better to give the methods for solution rather than just listing the answers. We want to help them to learn, not just show how capable you are.
    It would be better to show the process rather than the answer. For example:
    4. 35 * 7 = ?
    Also A is not correct for #2.

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  3. 1. Ratio = 12/(18+12) =

    2. 6/9 = 18/27. This is correct, because the numerator and denominator has been multiplied by the same #(3).

    3. Cost = 29.85/3 =

    4. 35words/min * 7min =

    5.

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  4. thx everyone but i dont need answers just help

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  5. Wolfie messed up a bit...don’t worry! I’ll be glad to give the correct answers to this Quiz called Using Ratios, Rates, and Proportions in Lesson 5

    1. B
    2.B, C
    3.C
    4. A
    5. A, B
    6. B
    7.A

    I hope this helps!! 🎧🎬🎬🎼🎺🎷🎼🎺🎬🎧🎻🎺🎀🎀🎹

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  6. Answer key is correct!!!

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  7. ._.

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