Answer:
60
Step-by-step explanation:
Im too lazy
180-117=63
3y+12+63+4y=180
7y+75=180
7y=105
y=15
4(15)=60
Can i get brainliest?
Answer:
QT = 18
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.
The correct answer is 0,10