Question

Andy estimated that he would need 71 feet of lumber for a tree house project. He later found that the actual amount of lumber needed was 60 feet. What was the percent error of Andy's estimation?
15.49%
18.33%
11%
84.51%

Answer 1

Need answer fast :D

Answer 2

(71- 60)/71 =
11/71 =
0.1549 = 15.49%

Answer 3

No it's 18.33%

Answer 4

;)

Answer 5

Oh well, sorry about that

Answer 6

I don't do well when rushed ;)