Which answer best summarizes this excerpt from rules of the game.

Why do you need to classify the size of a particle

How do i mark the brainliest on

Amedium water hose can fill a pool in 30 minutes. a larger water hose can fill the same pool in 20 minutes. if both hoses are turned on at the same time, how long will it take to fill the pool? -what equation can be used to solve this work problem? -how many minutes will it take both hoses to fill the pool?