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devbar3416
20.07.2019 •
Mathematics
Christa works at a fast food restaurant making $7.75 per hour. she wants to gross $400 this month, and she is scheduled to work 40 hours. will she earn her goal based on this schedule? if not, how many more hours, rounded to the nearest hour, does she need to request?
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Ответ:
y = 7.75x
Where,
x: number of hours
y: total profit
Substituting for x = 40 we have:
y = 7.75 * (40)
y = 310 $
We note that it does not meet the goal (310 $ <400 $)
Therefore, we must find the number of hours you should work:
400 = 7.75x
Clearing x:
x = 400 / 7.75
x = 51.61290323
rounding:
x = 52 hours
she will not earn her goal based on this schedule.
she needs to request 52 hours.
Ответ:
Like this
Step-by-step explanation: