I suggest reading them over and over again to remember them. I know it sounds annoying, but trust me, it'll pay off.
The answer would be 60. This is because 480/8=60.
I think the answer would be C :$:$:$:$:$:$:$:$:&:$
Answer:
x ≤ 3
Step-by-step explanation:
11
x
−
20
≤
13
Step 1: Add 20 to both sides.
11
x
−
20
+
20
≤
13
+
20
11
x
≤
33
Step 2: Divide both sides by 11.
11
x
11
≤
33
11
Given:
Oven's temperature rose 3 degrees in
of a minute.
To find:
How much will the oven heat up in 1 minute at that rate?
Solution:
According to the question,
Oven's temperature rose in
of a minute 
Oven's temperature rose in 1 minute 

Therefore, the oven's will heat up 18 degrees in 1 minute.