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11 October, 16:35

Melanie uses 9.4 pints of white paint and blue paint to paint her bedroom walls. 4 5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?

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  1. 11 October, 17:15
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    She used 4.9 pints of blue paint.

    Explanation:

    The total amount of paint that Melanie used is 9.4 pints (white and blue).

    Blue Paint + White Paint = 9.4 pints.

    However, we know that 4.5 of the total amount is white, thus, we can substitute in the expression we just wrote earlier:

    Blue Paint + 4.5 = 9.4 pints

    Blue Paint = 9.4 pints - 4.5 pints

    Blue Paint = 4.9 pints.

    Therefore, she used 4.9 pints of blue paint for her bedroom walls.
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