prealgebra

1. Rename 7/20 as a percent
A. 35%
B. 14%
C. 30%
D. 28%


2. Rename 0.245 as a precent
A. 245%
B. 24.5%
C. 2.45%
D. 25%

3. rename 28% as a decimal and fraction in its simplist form.
A. 0.28 and 28/100
B. 0.2 and 2/100
C. 0.28 and 7/25
D. 2.8 and 7/25


4. Put 0.367, 36.5% , and 9/25 in order from least to greatest.


My answers
1.A
2. ???
3. B
4. ???

Thanks if anyone can help me ahead of time.

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  1. #1, ok
    #2
    .245 = 24.5% , move decimal 2 places to right, tag on the % sign

    #3
    28% = .28 = 28/100 = 7/25, so C

    #4
    .367 -----> .367
    36.5% --- > .365
    9/25 -----> .36
    so what do you think?

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    posted by Reiny
  2. 1.A - yes
    2. ??? Multiply by 100 or move the decimal point two places to the left.
    3. B - No
    4. ??? - Change them all to decimals.

  3. oh okay I understand this more now. Thanks so much for helping me with these problems. So number two is C?

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  4. Didn't you see Reiny's answer?

    He's right. I was wrong.

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