Here, I am not sure, try this.
Times 4 because, 5 times 4 is 20, 20 times 4 is 80 and so on.
Because they don’t have the same variables
Work is provided in the image attached.
Although you did not include units, I just used centimeters.
However, if there were no units, then just put your answer.
If you do not understand my work,
please ask me in the comments below.
He would have to work 24 weeks to get the same amount from each job.