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29 December, 22:56

Janet has 2 jobs. She earns $100 an hour as a consultant and $40 an hour as a web desiggner. Last week, she earned 1280 for working a total of 20 hours. How many hours did she work each job? Start by creating a system of linear equations

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  1. 29 December, 23:09
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    Let's say x is her consultant hours and y is her web designer hours.

    100x+40y=1280

    x+y=20

    Using the systems or graphing the problems will lead you to x=8 and y=12.

    In other words, she worked 8 hours as a consultant, and 12 hours as a web designer.
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