Answer:
amount of time it'll take Henry and Louisa = 6/5 hours
Step-by-step explanation:
Number of hours it takes Henry = 2hrs
Henry's one hour work = 1/2
Number of hours it takes Louisa = 3 hrs
Louisa's one hour work = 1/3
Hence Louisa and Henry one hour work = 1/2+1/3 = 5/6
Hence amount of time it'll take Henry and Louisa = 6/5 hours