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7 December, 20:25

To make a grey paint the ratio is 1:3 white to black. To make 24 litres of grey paint, How much white and black paint do we need?

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  1. 7 December, 20:31
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    1:3 means for every 1 liter or white paint you will need 3 or the black

    This could also be represented as a ratio of 3/4 black paint and 1/4 white

    So

    24 x 3/4 = black paint

    18 liters of black paint
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