ricky1790
09.04.2020 •
Mathematics
The quadratic function P(t) = -40t^2 + 320t models the number of people in a shopping mall during the day. Where t is the time in hours.
How long is the mall opened for (in hours) during the day?
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Ответ:
She should come to work on time and work at least 8 hours to earn $ 172 a day.
Given that a computer engineer is paid $ 20 per hour and $ 12 for coming to work on time, to determine how many hours must she work to earn a minimum of $ 172, the following calculation must be performed:
(172 - 12) / 20 = X 160/20 = X 8 = XTherefore, she should come to work on time and work at least 8 hours to earn $ 172 a day.
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