Well 1/2 is one quarter of 2 hours. so if he can paint 180 square feet is 1/2 hour multiply it by four to get 2 hours. so 180 times 4 is 720.
He can paint 720 square feet in 2 hours
The answer to this question is D because 16 divided by 8 is 2 and 8 divided by 4 is 2. I hope this helps you :)
Does the question start with how many were in the bag originally?
Step-by-step explanation:
-1/3 a + 4 ≤ 0
3*(-1/3a) + 4*3 ≤ 0*3
-a + 12 ≤ 0
12 ≤ a
12 ⩾a
a⩾12