3.5 is answer.......................................................................
To mix cleaner and water you need to divide the bucket's capacity into 4.It's easy in this case as gallon is divided into quarts (1 gallon = 4 quarts).We know that one part will be cleaner, it means that you will need to use 1 quart of the cleaner.
hope thats right
200.000 for the nearest tenth hundred and 243.900 for the nearest hundred