SAEP Matric Success – Zisukhanyo Maths Lit Worksheet Tuesday 21st April 2009 Problem solving in context - ANSWERS 1. Exam Success, Activity 1.1, Q1 a) 90 g b) R825
c) R180
d) 5,1 kg
2. Exam Success, Activity 1.1, Q3 56% 3. Exam Success, Activity 1.2, Q1 a) (i) 2,5 kg sugar at R5,39/kg b) (i) 5 kg flour at R5,55/kg
(ii) 5 kg sugar at R6,22/kg (ii) 500 g flour at R8,98/kg
4. Exam Success, Activity 1.2, Q2 R37 500 ; R 12 500 ; R50 000 5. Exam Success, Activity 1.2, Q4 R31,96 6. Exam Success, Activity 1.2, Q6 R1 995 7. Exam Success, Activity 1.3, Q1 R1 500 at 11% (= R165) 8. Exam Success, Activity 1.3, Q4 a) R1 830,59 c) Option A. More interest.
b) R1 823,26
9. Exam Success, Activity 1.4, Q1 a) 5,04 x 10 -4 c) 5,004 x 10 11
b) 1,39 x 10 8 d) 1,21 x 10 -9
10. Exam Success, Activity 1.4, Q2 a) 0,00413 c) 0,000000023
b) 91 010 000 d) 5 000 100