What is the difference of a number (n) from 4? ?

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Me with this one question, and i'll upvote the brainliest answer

Precalculus question, image attached.