Answer:
a.
Step-by-step explanation:
answer ko dyan is letter a ehh
Answer:
4
Step-by-step explanation:
12/2=6
20/2=10
10-6=4
Answer:
option B
Step-by-step explanation:
Top right graph
Answer:
-1, -1.1, 0.9, 1
Step-by-step explanation:
Answer:
250
Step-by-step explanation:
Number of labourers * Number of days worked = Total number of working days
Total number of working days to construct a 4km long road: 
Total mumber of working days to construct a 8km long road: 
Labourers: 20000 ÷ 80 = 250.
250 labourers are required.