Higher June 2022 Paper 4 Q11
11 Jamie buys fence panels that fit tightly together.
Not to scale
Each panel has a length of 1.8 m, correct to 1 decimal place.
Jamie measures the length of a garden as 42 m, correct to the nearest metre.
Work out the minimum number of panels Jamie should buy in order to be certain that there are enough panels for the length of the garden.
Show how you decide. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 42.5 or 42.49[9..] ÷ 1.75 | M3 | B1 for 1.75 B1 for 42.5 or 42.49[9…] | B1 seen anywhere and mark figures crossed out if you think they have been “rejected” for use |
| 25 | A1 | If 0 scored award B3 for 24.29 or 24.28[5…] or if 0 or 1 scored award SC1 as well for their 24.29 seen and correctly rounded up | |