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Mathematics, 06.10.2021 19:10 sushikaya1205

A grocer wants to mix a type of spice which costs £22 per kilogram with another type which costs £12 per kilogram, to obtain 20 kilograms of mixture which will cost £15 per
kilogram. What quantity of each spice must the grocer take?

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A grocer wants to mix a type of spice which costs £22 per kilogram with another type which costs £...
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