7. a) A blend of coffee is made by mixing Coffee A with Coffee B in the ratio 3: 2.Coffee A costs €12 per kg and Coffee B costs €15 per kg.i) Calculate the cost of 500 g of this blend of coffee.iI) Calculate the price of 1 kg of this blend of coffee if It is sold at a profit of 20 %,b) In a primary class, – of the children are girls.of the boys play tennis. None of the girls play tennis.What fraction of the children in this class play tennis?

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Answered: 7. a) A blend of coffee is made by…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 26EQ

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