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3 March, 21:36

Muli spent 3/10 of thus salary on flood and 2/3 on rent. He was left with sh. 2100. what was his salary?

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Answers (2)
  1. 3 March, 23:22
    0
    Step-by-step explanation:

    Let the total amount of salary be X, then

    3/10X + 2/3X + amount left = his salary (X)

    (9X + 20X) / 30 + 2100 = X

    29X/30 - X = - 2100

    (29X - 30X) / 30 = - 2100

    by cross multiplying

    -X = - 2100*39

    -X = - 81900

    divide both side by - 1

    X = 81900.

    therefore his salary = 81900
  2. 4 March, 01:19
    0
    Muli's salary = 62,000

    Step-by-step explanation:

    Let Muli's salary be x.

    Money spent on food = 3/10 of x = 3x/10

    Money spent on rent = 2/3 of x = 2x/3

    Money left with him = 2100

    (3x/10) + (2x/3) + 2100 = x

    x - (3x/10) - (2x/3) = 2100 (LCM = 30)

    30x/30 - 9x/30 - 20x/30 = 2100

    (30x - 9x - 20x) / 30 = 2100

    x/30 = 2100

    x = 2100 * 30 = 62,000
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