1 285 km
2 (a) £ 915.33 (b) £ 30.66
3 (a) 565000 cm3 (to 3 sig figs) (b) 5.65 x 105 cm3 (to 3 sig figs)
4 (a) 8, 15, 22, 29, ... 85 (b) b = 7s + 1 (c) 25 sections
5 £ 55.35
6 118 degrees (to the nearest degree)
7 216 cm (to nearest cm)
8 (a) Scale drawing (b) 25 cm (12.5 cm on scale drawing)
9 (a) x = 5 (b) 5(2y + 3)
10 (a) 308.5 cm (to nearest mm) (b) 49.36 metres (to nearest cm). Less than 50m so it will be enough.
11 £ 112.35