maths

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mrs tan bought 10 kg of rice .if she cooked 400g of rice everyday how many days did the bag lasts?

  • maths -

    1 kg = 1,000 g

    10 kg = 10,000 g


    10,000 / 400 = 25


    OR


    400 g = 0.4 kg


    10 / 0.4 = 100 / 40 = 25

  • maths -

    Sorry.

    10 / 0.4 = 100 / 4 = 25

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