Question

HELP PLZ


Akira estimated that a tree was 40 years old. The true age of the tree was 47 years old.

Which expression can be used to calculate the percent error in Akira’s estimate?

A.
http://static.k12.com/bank_packages/files/media/mathml_cb30709edfd567f05eedcc45755e030db53beb3e_1.gif

B.
http://static.k12.com/bank_packages/files/media/mathml_c2519267c0fec1bcf2a6564d34bbbf5e0b92fa82_1.gif

C.
http://static.k12.com/bank_packages/files/media/mathml_9445faca464a2132c7ed5383b676c0d1841f30b0_1.gif

D.
http://static.k12.com/bank_packages/files/media/mathml_1ce7d1de6319b8b9e55af1e3eafe4380b25c5f0d_1.gif

Answer 1

@BlossomCake

Answer 2

@HELPMEPLZ!!

Answer 3

@nincompoop