Question

1. Here is part of a travel graph of Siân's journey from her house to the shops and back.
20
18
16
14
Distance
in km
from
Siân's
house
12
10
4
2
5
10 15 20 25 30 35
40 45 50 55 60 65 70 75 80
Time in minutes
(a)
Work out Siân's speed for the first 30 minutes of her journey.
Give your answer in km/h.​

Answer 1

write question correctly