Mathematics, 15.05.2021 01:20, sbm1girl

Melanie's bedroom walls are 45% painted. The area of her walls totals 420 square feet. What is the number of square feet of Melanie's walls that still need to be painted? Show each step of your solution.

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Melanie's bedroom walls are 45% painted. The area of her walls totals 420 square feet. What is the n...