HELP PLEASE!!!!!!!! Melanie’s bedroom walls are painted 45% painted. The area if her walls totals 420 square feet. What number o

Question

HELP PLEASE!!!!!!!!

Melanie’s bedroom walls are painted 45% painted. The area if her walls totals 420 square feet. What number of square feet of Melanie’s walls still need to be painted?

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Amelia 1 week 2021-11-22T09:28:44+00:00 1 Answer 0 views 0

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    2021-11-22T09:30:23+00:00

    231 square feet of Melanie’s walls still need to be painted

    Solution:

    Given that,

    Melanie’s bedroom walls are painted 45% painted

    The area of her walls totals 420 square feet

    To find: number of square feet of Melanie’s walls still need to be painted

    From given,

    45 % of wall is painted

    Which means, 100 % – 45 % = 55 % is still remaining to be painted

    55 % of total area is still remaining to be painted

    Therefore,

    Remaining to be painted = 55 % of 420

    \text{ Remaining to be painted } = \frac{55}{100} \times 420\\\\\text{ Remaining to be painted } = 0.55 \times 420\\\\\text{ Remaining to be painted } = 231

    Thus 231 square feet of Melanie’s walls still need to be painted

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45:7+7-4:2-5:5*4+35:2 =? ( )