Teacher's Guide - Pearson

5. P8 000 5 P(1 2 0.15) 6∴ P 5 P21 211.756. A 5 P40 000(0.88) 105 P11 140.047. Depreciation 5 ________ P270 000​9 years ​5 P30 000 per annumRate of depreciation 5 ________ P30 000​P270 000 ​ 3 ____ ​ 1001 ​ 11.1%Extension Activity 4.1 (Student’s Book page 65)n 5 12 yearsExercise 4.5 (Student’s Book page 66)1. a) Selling price 5 P850 000 3 1.165 P986 000b) A 5 P986 000(1 1 0.095) 55 P1 552 1992. a) A 5 P110 000(1 1 0.075) 12 P261 996b) A 5 P20 000(1.06) 12 P40 244c) First year: P40 244Second year: P42 659Third year: P45 218Total: P128 121Phembi would have enough money.3. Note: Appreciation on property is compounded annually.Property value 5 P50 000(1.075) 20 P212 393Shares’ value 5 P50 000(1 1 0.12 3 20)5 P170 000Precious should take the property option because the property investment at alower interest rate is more profitable.4. P1 000 000 5 P222 000(1 1 i) 15∴ i 0.11259 11.26%5. 2 5 1(1 1 i) 8i 0.0905 9.05%24 EXPLORING MATHEMATICS FORM 3