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3. A doctor sees between 7 and 12 patients each day. On Mondays and Tuesdays.the appointment times are 15 minutes. On Wednesdays and Thursdays, they are30 minutes. On Fridays, they are one hour long. The doctor works for no morethan 8 hours a day. Here are some inequalities that represent this situation,0.25 Sy 51YS0S 12Y S83a. What does each variable represent?Your anowar3b. What does the expression xy in the last inequality mean in thissituation?

Sagot :

Solution

We have the following inequalities:

0.25 <= y<= 1, 7 <= x<= 12, xy <= 8

And we can conclude this:

Part a

the variable y represents the appointment time in hours and x the number of patients by the doctor

Part b

the expression xy is the time in hours that spends with a patient

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