Answer:
67
Step-by-step explanation:
66 is the median
First put them from least to greatest
29 51 54 60 64 66 66 67 68 75 77 80
Then start removing one by one from each side
51 54 60 64 66 66 67 68 75 77
54 60 64 66 66 67 68 75
60 64 66 66 67 68
64 66 66 67
66 66 67
66
work shown and pictured
$0.42
create a proportion:
13/.78 = 7/x
cross-multiply to get:
13x = 7(.78)
13x = 5.46
x = 5.46/13
x = .42
3.1066≈3.1 feet
3.305
+1.7
5.005
Line up the decimal points and add like you usually would add.
5.005 is the answer.
