Question

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.47-40/40*100%


B.40-47/47*100%


C.(40-47)/40*100%


D.(40-47)/47*100%

Answer 1

@JackofallTradez

Answer 2

Made it ^_^

Answer 3

yes lets do this

Answer 4

what u think

Answer 5

I think it's D

Answer 6

maybe a

Answer 7

I thought A might be it as well

Answer 8

could be, well first things first what do we know

Answer 9

We know the estimate was 40 years, and the real age was 47 years

Answer 10

@shifuyanli

Answer 11

so b

Answer 12

Then it would be -7/47, it should be 7/47

Answer 13

right right so c or d right

Answer 14

so what do we need to do is our next question

Answer 15

It's D, if the ( ) are actually | |