Problema Solution

JoAnn works in a publicity office at the state university. She is paid $10.00 an hour for the first 35 hours she works each week and $15.00 an hour for every hour after that. If she makes $455.00 one week, how many hours did she work?

Answer provided by our tutors

let 'x' represent the total number of hours that Joann worked


10*35 + 15 (x - 35) = 455


by solving we find:


x = 42 hr


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Joann worked 42 hours.