It took George and Amy a total of 2 hours to put up all the notices for the pet show. They posted notices on trees and bulletin boards around town. All kinds of prizes were to be given, including one for the "ugliest" pet. Amy worked three times as long as George putting up signs. How long did each of them work?
as we said before, If George took x hours, then
1/x + 1/(3x) = 1/2
when this was posted before, Amy only worked twice as long as George; that gives a better answer.