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Workbook
3. Ali invested money in two accounts, one paying 5% interest and the other paying 6% interest. The
amount invested at %5 was 1000 TL more than the amount invested 6%. He earned a total of 820 TL
interest in 1 year. Use a system of equations to find the amount invested in each account.
4. Ayşegül and Elif bought school supplies. Ayşegül spent 10.65 TL on 4 notebook and 5 pens. Elif spent
7.50 on 3 notebooks and 3 pens. What is the cost of one notebook and what is the cost of 1 pen.
LINEAR INEQUALITIES IN TWO VARIABLES
1. Graphing Linear Inequalities in Two Variables
37 091math-wb-w6-(equations&inequalities-1)