ANSWER
The total length of the trip to and from work in August is

EXPLANATION
The total length of the trip to and from work is

If Jonah worked 21 days in August,
Then, the total length of the trip to and from work is

Change the decimal to fraction and multiply,



Convert back to decimal
To get the volume of an object, one of the oldest techniques is to fill a container with water of which we know the volume (in this case 85mL), and drop the object in. The water will rise and show a new volume (225mL). If we subtract the old volume (85) from the new volume (225), we will get the volume of the object (225 - 85 = 140).
The answer to the question is $5.40