Alright! So to solve these questions, you need to find out the difference. You can use ratios to solve this. For example, question #25:
A class had 30 pupils at the beginning of this school term, but now has 5 more pupils. What is the percent of increase?
The question is basically asking how much 5 is in ratio to 30. So just divide 5 (the given amount) by 30 (the total amount). The answer is 0.16, or 16%
Answer: 130 degrees
Step-by-step explanation:
105+80+45+x=360
230+x=360
-230 both sides
X=130 degrees
Answer:
A,B
Step-by-step explanation:
It could be A or B because them stepping on a rock could cause the rock to crack and another could come along and do the same thing and the rock would eventually break.
Answer:
n = 12.3
Step-by-step explanation:
No prob
Step-by-step explanation:
please mark me as brainlest
