5 out of 20 cars are red
Therefore 1 out of 4 cars is red
1/4 of cars are red
1/4 x 100 = 25 red cars
Answer:
#3:8n-4
Step-by-step explanation:
combine like terms
3n+n=4n
-7+5=-2
4n-2
multiply that by 2 to get the perimeter, which is 8n-4
The answers 5 because I looked it up
Answer:
3.2 hours
Step-by-step explanation:
12 workers * 4 hours = 48 worker hours
15 workers * x hours = 48 worker hours
48 /15 =3.2 hours
Your answer is 48 minutes because you divide 6.72 by 0.14
