Question 88406
Rate * Time = Work
~Sally~
Rate: 1/4
Time: t hours
~Jane~
Rate: 1/6
Time: t hours
t/4 + t/6 = 1 job
3t/12 + 2t/12 = 1
5t/12 = 1
5t = 12
t = 12/5 or 2.4 hours
or
2 hours and 24 minutes