Could anyone give a clear and light summary

5(-9w) put expression in distributive property

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?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer