Can you help me with this please? Please, please, tell me if that’s the correct answer

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

I’m still confused on how to work the percentages

Write as a product of two polynomials. 2(3–b)+5(b–3)^2