Algebra help

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Find each percent of change. Describe the percent of change as an increase or decrease. Round to the nearest tenth if necessary.

15lbs to 18lbs

$38 to $65

125lbs to 143lbs

  • Algebra help -

    These are all increases.

    18 - 15 = 3

    3/15 = 0.2 = 20%

    Try the others, and I'll check your answers.

  • Algebra help -

    Thank you! Are these right?

    $38 to $65
    65-38=27
    27/38=0.710 = 70%

    125lb to 143lb
    143-125=18
    18/125=0.144= 14%

  • Algebra help -

    You're close.

    27/38 = 0.7105 = 71.1% rounded to the nearest tenth

    18/125 = 0.144 = 14.4%

  • Algebra help -

    Ok. Now I have a question about finding the minimum and maximum possible areas for rectangles with the following areas. This is what I got can you check please?

    7 mi x 8 mi
    Minimum 7.5x 6.5= 48.75 mi
    Maximum 8.5x 7.5= 63.75 mi

    12 km x 5 km
    Minimum 11.5x4.5= 51.75 km
    Maximum 12.5x5.5= 68.75 km

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