Answer:
a) 300m
b) 300m
c) 1200m
d) 5km
e) 600m
f) 400m
g) 1km
h) 5km
Explanation: Question is asking you to fill in the missing value to complete the bar model.
Explanation for a:
700m + what equals 1km?
1km is 1000m
1000m - 700m = 300m
Hope this helps! :)