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    120% of 3125 – 90% of x = 150
    Question

    120% of 3125 – 90% of x = 150

    A.

    40

    B.

    400

    C.

    4000

    D.

    3600

    Correct option is C

    Given:

    120% of 3125− 90% of x=150

    Solution:

    ​120% of 3125 − 90% of x=150

    120100×312590100 ×x=150\frac{120}{100}\times3125−\frac{90}{100} \times x=150

    1.20 ×31250.9x=150\times 3125 - 0.9x =150​​

    3750 - 150 = 0.9x

    3600=0.9x

    x = 36000.9=4000\frac{3600}{0.9} = 4000

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