12 for the first one, 6*4=24 24 divided by 2
Answer:
.
Step-by-step explanation:
Answer: 1.8x
Step-by-step explanation:
Answer:
Distance between the police station and the fire station be 4 miles
Step-by-step explanation:
Let distance between the police station and the fire station be x miles.
The distance between the library and the police station is 3 miles less than twice the distance between the police station and the fire station.
Distance between the library and the police station 
Also, distance between the library and the police station is 5 miles.

Answer:
Total people = 240
Step-by-step explanation:
Let the total number of people by 'x'.


Number of children = 100
When we subtract the total number of men and women from the total people 'x', we get the number of children.



x = 20 * 12
x = 240
<h3> Total number of people = 240</h3>