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Shalnov [3]
3 years ago
8

Rosie works 40 hours a week as an office manager. ifshe made $23,920 last year, how much was she paid per hour?

Mathematics
2 answers:
Charra [1.4K]3 years ago
7 0

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:

\frac{40 hours}{1 week} * \frac{4 weeks}{1 month}  * \frac{12 month}{1 year} = 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

\frac{23.920 \$}{1 year} * \frac{1 year}{1920 hours}  = \frac{12.4583 \$}{hour}

borishaifa [10]3 years ago
6 0
If she worked 40 hrs per week....and there are 52 weeks in a yr....then she worked a total of (40 * 52) = 2080 hrs.

and if she made $ 23,920 per yr.....then she made 23920 / 2080 = 
$ 11.50 per hr <==
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