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March 29, 2017

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Lena is tiling a square floor with each
side 3 metres long. Tiles cost $45 per
square metre.
Which calculation gives the total cost of
tiling the floor (in dollars)?

  • math - ,

    First calculate area of square room
    side = 3m
    Area = side*side m²

    From unit price = $45/m², calculate
    Total Cost = unit price * area

  • math - ,

    30

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