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29 January, 21:29

Find the following percentages. a. 15% of 930 b. 6% of 120 c. 4.2% of 50 d. 200% of 145

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  1. 29 January, 21:49
    0
    These are 4 questions and 4 answers.

    Answer:

    a. 15% of 930 = 139.5

    b. 6% of 120 = 7.2

    c. 4.2% of 50 = 2.1

    d. 200% of 145 = 290

    Explanation:

    Percentage is defined as number of parts per 100.

    Percentage can be expressed as a ratio (fraction) or decimal.

    1% = 1 / 100 = 0.01 10% = 10 / 100 = 0.1 25% = 25 / 100 = 1/4 = 0.25 50% = 50 / 100 = 1/2 = 0.5 75% = 75 / 100 = 3/4 = 0.75

    You can use either the fraction or the decimal form to find the percentage.

    This is how you apply this to questions a through d.

    a. 15% of 930

    15% * 930 = 15 / 100 * 930 = 0.15 * 930 = 139.5

    b. 6% of 120

    6% * 120 = 6 / 100 * 120 = 0.06 * 120 = 7.2

    c. 4.2% of 50

    4.2% * 50 = 4.2 / 100 * 50 = 0.042 * 50 = 2.1

    d. 200% of 145

    200% * 145 = 200 / 100 * 145 = 2 * 145 = 290
  2. 29 January, 21:49
    0
    a) 139.5

    b) 72

    c) 21

    d) 290

    Step-by-step explanation:

    a). 15% of 930

    15%930 = (15 * 930) / 100

    = 139.5

    b). 6% of 120

    6% of 120 = (6 * 120) / 100

    = 72

    c). 4.2% of 50

    4.2% of 50 = (42 * 50) / 100

    = 290

    d). 200% of 145

    200% of 145 = (200 * 145) / 100

    = 290

    Therefore,

    a) 139.5

    b) 72

    c) 21

    d) 290
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