Foundation November 2021 Paper 1 Q25
25 Frankie and Taylor travel the same distance from town A to town B.
Frankie travels at an average speed of 52 kilometres per hour (km/h).
Taylor travels at an average speed of 15 metres per second (m/s).
The journey takes Frankie 4 hours.
Calculate how long the journey takes Taylor.
Give your answer in hours and minutes, correct to the nearest minute.
You must show your working. [6]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 3 [hours] 51 [minutes] with correct working | 6 | B5 for 3.85[…] or 3 [hours] 51.1[1…] [minutes] or \(3\frac{23}{27}\) oe or 231 [minutes] with correct working OR M1 for \(52 \times 4\) soi by 208 M2 for \(\dfrac{15 \times 60 \times 60}{1000}\) or better or M1 for \(15 \times 60 \times 60\) oe or \(\dfrac{15}{1000}\) oe M1 for their \(208 \div\) their \(\dfrac{15 \times 60 \times 60}{1000}\) Alternative method B5 for 3.85[…] or 3 [hours] 51.1[1…] [minutes] or \(3\frac{23}{27}\) or 231 [minutes] with correct working or M1 for \(52 \times 4\) soi by 208 M2 for \(\dfrac{\textit{their } 208 \times 1000}{15}\) or M1 for their \(208 \times 1000\) or M1 for their \(\dfrac{208}{15}\) M1 for \(\dfrac{\textit{their } 13866 \text{ to } 13867}{60 \times 60}\) If 0 or M1 scored, instead award SC2 for 3 [hours] 51 [minutes] with no working or insufficient working or SC1 for 3.85[…] with no working or insufficient working | “Correct working” requires evidence of at least M2 or M1M1 Accept other alternative methods. “Correct working” requires evidence of at least M2 or M1M1 |