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25 August, 04:00

The floor of a small foyer will be made from square ceramic tiles. Each tile has a side length of 7 inches. If the dimensions of the foyer floor are 28 inches by 42 inches, how many ceramic tiles are needed?

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  1. 25 August, 07:31
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    It would be 4 2/3

    Convert the mixed numbers to improper fractions

    Use the algebraic formula for addition of fractions:

    a/b + c/d = (ad + bc) / bd

    Reduce fractions and simplify if possible
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