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one tank have 550 liter oil 2/5 part oil is sold and 1/5 is poured from tank how many oil is remaining in the tank

  • Math -

    You have 550 litres of oil. 1/5 is 0.2, so you can do 550 * 0.2 with a calculator to get 110.
    110 * 2 = 220, so you sold 220 litres.
    You also poured 110 litres out.
    This means in total, you lost 330 litres.
    550 - 330 = 220 litres remaining.

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