Shade 12 squares on the 4-by-10 grid. What percent to is shaded?

Question

Shade 12 squares on the 4-by-10 grid.

What percent to is shaded?

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Thu Giang 5 years 2021-08-29T23:23:36+00:00 2 Answers 16 views 0

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  1. haidang
    0
    2021-08-29T23:24:57+00:00
    Reply

    On a 10 by 4 grid, there would be 40 squares. If you were to shade 12 of those squares, it can be shown as the fraction:

    \frac{12}{40}

    12/40 = 0.3

    to get a percentage, we would have to multiply by 100

    30% is to be shaded

  2. RuslanHeatt
    0
    2021-08-29T23:25:26+00:00
    Reply

    Answer: 30%

    Step-by-step explanation:

    Total number of squares: 4*10=40

    Shaded squares: 12

    Fraction of shaded squares: 12/40

    If you make the denominator 100, then the numerator is the percentage:

    \frac{12}{40} * \frac{2.5}{2.5}=\frac{30}{100}

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