Higher November 2017 Paper 4 Q12
12 A log is 18 m long, correct to the nearest metre.
It is to be cut into fence posts which must be 80 cm long, correct to the nearest 10 centimetres.
What is the largest number of fence posts that can possibly be cut from this log? [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 24 | 4 | B3 for 24.7 or 24.6[6…] OR B1 for 18.5 or 1850 B1 for 0.75 or 75 M1 for their1850 ÷ their75 oe soi by 24.7 or 24.6[6…] | condone 18.49 or 1849 in this question 1750 ≤ their1850 ≤ 1850 and 70 ≤ their75 ≤ 90 allow work in metres e.g. use of 1.75, 1.85, .7, .9 |