The approximate percent increase in the average grade is 21.43%.
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What is the percentage increase?</h3>
Percentage is a measure of frequency that expresses a number as a value out of hundred. The sign used to denote percentage is%.
Percentage increase = (new grade / initial grade) - 1
(85 / 70) - 1 = 0.2143 = 21.43%
To learn more about percentages, please check: brainly.com/question/25764815
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Answer:

Step-by-step explanation:
Let

Full time rates-$275, Part-time rates-$140
The problem can be expressed as:

Express eqtn1 in terms of f,
Substitute f value in eqtn 2.

Therefore, jeds has 17 fulltime and 9 parttime employees.
The answer to this your question would be 83 ft.
Answer:
x^2+(4/3)x+1/3
Step-by-step explanation:
In order to find the quadratic equation, you put the roots in this format:
(x-a)(x-b)=0
(x-(-1/3))(x-(-1))=0
(x+1/3)(x+1)=0
Then you would solve:
x^2+x+(1/3)x+1/3
= x^2+(4/3)x+1/3
Hope this helps!
(17x+19)+(19x-15)=180
36x+4=180
36x=176
x=44/9 which is approximately 4.8
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