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Mathematics 9 Online
OpenStudy (anonymous):

Melissa earns $4/h babysitting and $3/h helping her uncle in his store. She has promised to help him 15 h/wk and is allowed to help him as much as 25 h/wk to spend on either working with her uncle or babysitting. How much time should she spend on each job to maximize her income?

OpenStudy (anonymous):

So can she only work 25 h/wk either babysitting or working with her uncle? The question seems unclear.

OpenStudy (anonymous):

i know i dont understand it thats how it is shown in the worksheet

OpenStudy (anonymous):

she has promised to help him 15 hrs per week. That is all that I would help him because she makes more babysitting. I would babysit the remaining hours (25 - 15) = 10 hrs. So, work with uncle 15 hrs, and babysit 10 hrs

OpenStudy (anonymous):

Okay. That's probably what they mean by it, I don't know how it could be anything else and make sense. First, you will need to write two equations. One will keep track of the hours, the other will keep track of the dollars.

OpenStudy (mathstudent55):

She has to work 15 h/wk for the uncle since she already promised it. Since the uncle pays less than the other job, she should work all the other 10 h/wk babystting to maximize her pay.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

anytime :)

OpenStudy (mathstudent55):

wlcm

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