Higher November 2021 Paper 1 Q11
11 \(A\), \(B\), \(C\) and \(D\) are junctions on a motorway.
Not drawn accurately
distance \(CD = 3 \times\) distance \(AB\)
distance \(BC\) = 25 miles
Salma drives from \(A\) to \(C\).
She drives for 30 minutes at an average speed of 62 miles per hour.
Work out the distance \(AD\). [4 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(62 \div 2\) or \(62 \times 0.5\) or 31 | M1 | oe eg \(62 \div 60 \times 30\) |
| their \(31 - 25\) or 6 | M1 | their 31 must be \(\gt 25\) |
| their \(6 \times 3\) or 18 or their \(6 \times 4\) or 24 | M1dep | dep on 2nd M1 |
| 49 | A1 |
Additional guidance
| 49 from correct working, but a different answer given | M3A0 |