Annalee hammered in nail into a piece of wood each time she hammer the nail it went to 1/8 Inch deeper into the word if she hammer the nail 4 Times how deep did Annalee hammer the nail?

0.5 inch

Step-by-step explanation:

Given

On hammering nail advances  each time

Annalee hammered 4 times

So, total advancement of nail=

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: