Coffee

I’m working on some humorous heraldry for fun, but I want to get this part right. The saying “Nothing Before Coffee” translates on Google as “Nihil Ante Capulus.” Is this anywhere near correct?

 The gourmet coffee usually sells for $10.00 per pound. The cheaper brand sells for $8.00 per pound. How much of each type should be mixed in order to have 50 pounds of coffee that is worth $9.50... more

Kelly blends coffee. She mixes brand A costing $6 per kilogram with brand B costing $8 per kilogram. How many kilograms of each brand does she have to mix to make 50 kg of coffee costing her $7:20... more

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have to find how much for A & B 

A store mixes Kenyan coffee worth $12 per kg and Turkish coffee worth $16 per kg. the mixture is to sell for $13 per kg. Find how much of each should be used to make a 180kg mixture

a coffee shop purchased 60 pounds of Guatemalan coffee beans and 90 pounds of Nicaraguan coffee beans and the total price was $180.00 what was the price per pound for each different coffee bean?