Rosie works 40 hours a week as an office manager. ifshe made $23,920 last year, how much was she paid per hour?
2 answers:
Answer:
12.4583 $ / hour
Step-by-step explanation:
Topic: Conversion factors and Aritmethic Operations
How many hours does Rosie work in a year?, we have to calculate how many hours a year Rosie works, so we use convertion factors (or Rule of three) as it follows:
= 1920 hours / year
now we have to calculate how much does she make an hour, so we know she works 1920 hours / year and she makes 23,920 $ / year
so we have another conversion factor that follows
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Answer:
(D)
Step-by-step explanation:
Two variables x and y are proportionally related if they can be written in the form y=kx, where k is the constant of proportionality.
From the given options, if
(B) is of the form y=kx
(C) is of the form y=kx with
as
in its lowest form.
(C) is of the form y=kx with
as
in fractional form.
On the Contrary,
In Option D, does not represent a proportional relationship between x and y. The constant of proportion is supposed to be a product of x.
For a question like this, all you have to do is remember that a percentage is simply a fraction expressed as a decimal. So, all we have to do is:
, and then multiply our decimal answer by 100 to get the percentage:
= 0.34
0.34 x 100 = 34
Therefore 34% of the students walk to school.
I hope this helped and remember to please try and understand the maths that got the answer, not just writing the answer down :))
0.34 x 100 = 34
Therefore 34% of the students walk to school.
I hope this helped and remember to please try and understand the maths that got the answer, not just writing the answer down :))