The mass of a sheet of metal varies jointly with its area and its thickness.A sheet of metal of area 250 cm square and thickness 1 mm has a mass of 200 g.
(a) Find the formula which connects the mass Mg,the area A cm square and the thickness t mm.
(b) Hence find the mass of a piece of metal of area 400 cm square and thickness 3 mm

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  1. m = kat
    200 = k*250*1

    Now you can figure k, and thus answer the questions

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  2. Please I need an answer

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