Distributing a number over a course of time

Question

Hi I want to know how to evenly distribute a cost evenly over a course of time between three people.

the total cost of the fee is $160 dollars over 34 days. however, 2 out of the 3 people have been there 34/34 days and the remaining person has only been there 19/34 days.

How do I split and allocate this bill evenly amongst these three people? Thanks

Answer 1

$2(x)+\left(\frac{19}{34}\right)x=158.31$

$\frac{68 x}{34} + \frac{19 x}{34} = 158.31$

$\frac{(68 + 19)x}{34} = 158.31$

$x = 61.87$