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22 March, 18:34

If 30 marks Is 40% what is full marks?

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  1. 22 March, 20:50
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    40% as a decimal = 0.4

    x = full marks

    30 = 40% of x

    0.4x = 30 - - - > Divide both sides by 0.4 to get x

    x = 75

    Full marks: 75
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