Answer:
11 hours.
Explanation:
First you would have to find how much she makes in an hour. You would do so by dividing 221 by 13 and you get 17. Then you take 187 and divide it by 17. This gets you The numbers of hours you would have to work which is 11.
she will have to work 11 hours
221 divided by 13=17
therefore she makes 17 dollars an hour
so 187 divide by 17 = 11
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