Answer:
total interior angles = (n - 2)180°
Step-by-step explanation:
look up "interior angles of a polygon"
Need to find the amount of the discount first
(9 - 6.75) = 2.25$
then find the %
(2.25/9) * 100 = 225/9 = 25%
f=39
hi! first, we can multiply by 12 on both sides to eliminate the 12 in the denominator.
f+3= (7/2)*12
f+3=84/2
f+3=42
now, subtract 3 on both sides.
Here is the answer to the question
She would spend 52.5$
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