Tracy works at North College as a math teacher. She will be paid $900 for each credit hour she teaches. During the course of her
first year of teaching, she would teach a total of 50 credit hours. The college expects her to work a minimum of 170 days (and less and her salary would be reduced) and 8 hours each day.
What is her gross monthly income?
Group of answer choices
$75
$900
$3,750
$45,000
What is her gross monthly income?
Group of answer choices
$75
$900
$3,750
$45,000
1 answer:
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Given:
4:x::x:16
To find:
The value of x.
Solution:
We have,
4:x::x:16
It means, we have
4:x = x:16
It can be rewritten as
On cross multiplication, we get
Taking square root on both sides.
Since ratio can be negative or positive, therefore, the value of x is either -8 or 8.
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