R+r+2r-r+4r combine like terms and solve
1 answer:
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Answer:
Step-by-step explanation:
We are given the following in the question:
Let P be the number of professor and S be the student in a college.
According to the question:
There are 19 times as many students as professors.
We have to write an equation to show the given relationship between professors and students.
The above situation is the situation that represents the given relationship.
Answer:
80.95
Step-by-step explanation:
Percentage increase = *100
=> (38-21)* 100/21 = 80.9523%
The answer round it to the nearest 100th = 80.95%