1.2. Between which two consecutive integers does \( \sqrt{138} \) lie? 1.3.1. Rewrite 92 and 146 as products of their prime factors. 1.3.2. Write down the LCM and HCF of 92 and 146 . 1.3.3. Divide 240 g in the ratio \( 5: 3: 4 \). 1.4. Thoriso can either walk to \( \mathrm{school} \mathrm{at} 5 \mathrm{~km} / \mathrm{h} \) or ride her bicycle at \( 15 \mathrm{~km} / \mathrm{h} \). If she rides her bicycle, it takes her 10 minutes to get to school. 1.4.1. How long will it take her if she walks to school? 1.4.2. Is this direct or indirect proportion? Give a reason for your answer. (2) 1.5. The price of petrol is increased from \( R 12,58 \) per litre to \( R 13,28 \) per lite.

3. \( 1,943 \div 4 \) \[ \text { your answer to the nearest ter } \]

7. A restaurant imposes a \( 10 \% \) service charge and \( 9 \% \) GST. Kayson orders a plate of spaghetti that cost \( \$ 30 \). (a) What is the amount of service charge he has to pay? (b) How much money does he pay for the meal?

Which of the following is equal to \( 2.3 \times 9 ? \) A. \( (2 \times 9)+(0.3 \times 9) \) B. \( \quad(2 \times 9)+(0.3 \times 2) \) C. \( \quad(2 \times 9) \times(0.3 \times 9) \) D. \( \quad(2+9) \times(0.3+9) \)

Which of the following is equal to \( 6.3 \div 3 \) ? A. \( (6 \div 3)-(3 \div 3) \) B. \( (6 \div 3)+(3 \div 0.3) \) C. \( (6 \div 3)-(0.3 \div 3) \) D. \( (6 \div 3)+(0.3 \div 3) \)

Which of the following is equal to \( 18.2 \div 2 \) ? A. \( \quad(18 \div 2)-(0.2 \div 2) \) B. \( \quad(18 \div 2)+(0.2 \div 2) \) C. \( \quad(18 \div 2)+(2 \div 0.2) \) D. \( \quad(18 \div 2)-(2 \div 2) \)