Numeracy Higher June 2017 Unit 2 Q1
1. Mali’s scooter depreciated (decreased) in value by 24% in the first year.
In all further years, her scooter depreciated by 13% of its previous year’s value.
She originally paid £850 for her scooter.
Calculate the value of Mali’s scooter after 7 years. [3]
After 7 years, the value of Mali’s scooter was £ ……………………
| Scheme | Marks | Comments |
|---|---|---|
| 850 × 0.76 (= £646) or equivalent × 0.876 or equivalent | M1 M1 | M1 marks can be awarded in either order (Note: If calculated first 850 × 0.876 = £368.58(22...)) |
| (£)280(.1225…) | A1 | Accept answers in the inclusive range (£)280 to (£)281 Award M1, SC1 for an answer (850 × 0.76 × 0.877 = £) in the inclusive range (£)243 to (£)244 |
Corrected by Westie's Workshop
- The board's mark scheme printed “(Note: If calculated first 850 × 0.87⁶ = £368.58(22...)”. Changed to “(Note: If calculated first 850 × 0.87⁶ = £368.58(22...))” because the bracket opened at “(Note:” was never closed.
Original: see the board's mark scheme PDF (link above).