Jessica earned some money for completing chores she spent 1/6 of it on snacks and 1/3 of it on a new book she save the rest what fraction of the money did she save

Could somebody me with this radical simplification?

What are the values of each variable in the diagram below?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?