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The rate of decay of certain substance is directly proportional to the amount present at that instant.Initially,there are 27 gms of certain substance and three hours later it is found that 8 gms are left.Find the amount left after one more hour.

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The rate of decay of certain substance is directly proporational to the amount present at that instant. Initially , there are 25 gms of certain substance and two hours later it is found that 9 gms are left. Find the amount left after one more hour .

The decay rate of certain substance is directly proportional to the amount present at that instant.Initially there are 27 grams of substance and 3 hours later it is found that 8 grams left.The amount left after one more hour is……….

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  • The dcay rate of certain substance is directly proporational to the amount present at that instant . Intitially there are 27 grams of substance and 3 hours later it is found that 8 grams left. The amount left after one more hour is …

    A
    `5(2)/(3)` grams
    B
    `5(1)/(3)`grams
    C
    `5*1` grams
    D
    5 grams

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