0. A company has two brands of fertilizers A and B for sell. A cooperative bought 10 quintals of brand A 27 quintals of brand B fertilizers and paid a total of Birr 20,000. Tolosa a successful farm owner, bought 15 quintals of brand A and 9 quintals of brand B fertilizers from the same company and paid a total of Birr 14,250. i. Represent variables for the cost of: a. Each pencil and each rubber eraser in Question 9. b. Each quintal of fertilizer of brand A and each quintal of fertilizer of brand B in Question 10. ii. Formulate the mathematical equations representing each of the situations in Questions 9 and 10 as a system of two linear equations. Solve each system and determine the cost of, iii.
