Form 4 Mathematics
A trader bought 2 cows and 9 goats for a total of Ksh 98, 200. If she had bought 3 cows and 4 goats she would have spent Ksh 2,200 less.
a) Form two equations to represent the above information.
b) Use matrix method to determine the cost of a cow and that of a goat.
c) The trader later sold the animals she had bought making a profit of 30% per cow and 40% per goat.
i. Calculate the total amount of money she received.
ii. Determine, correct to 4 significant figures, the percentage profit the trader made from the sale of the animals
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