Answer:
82 min
Step-by-step explanation:
Line segment AD is 4cm. Because A is the center, any lines coming off the centerpoint are congruent. So if line AC is 4cm, then line AD has to be 4cm as well.
16 = 20% to get to 80% we need to times by 4 so it adds up to 100%
64=80%
the orginal price was 64 dollars
Answer: n
a
2
?
−
n
b
+
3