SOLUTION: Your cap size is based on the circumference of your head (in inches). For a certain range of head circumferences c, cap size s can be modeled by the following equation: s=c-1/3

Question 442210: Your cap size is based on the circumference of your head (in inches). For a certain range of head circumferences c, cap size s can be modeled by the following equation:
s=c-1/3
If you wear a size 7 cap, what is your head circumference? Please show all of your work.
thank you!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
cap size s can be modeled by the following equation:
s=(c-1)/3
If you wear a size 7 cap, what is your head circumference?
-----------------------
size = (circumference - 1)/3
-------
7 = (c-1)/3
c-1 = 21
c = 22 cm
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Cheers,
Stan H.
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