Mathematics, 20.04.2021 14:00 sparky1234

A coffee blender mixes two types of coffee. Type A costs $13 per kg and type B costs $18 per kg. How many grams of each type of coffee should be blended so that 1 kg costs $15?

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A coffee blender mixes two types of coffee. Type A costs $13 per kg and type B costs $18 per kg. H...

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