If you express 5 US gallons per minute in cubic inches per minute, what is the result?

To convert from US gallons per minute to cubic inches per minute, you need to know the conversion factor between these two units. There are 231 cubic inches in one US gallon.

To find out how many cubic inches correspond to 5 US gallons, you simply multiply the gallons by the cubic inches per gallon:

5 gallons/minute × 231 cubic inches/gallon = 1155 cubic inches/minute.

This calculation confirms that the result of expressing 5 US gallons per minute in cubic inches per minute is indeed 1155 cubic inches. This is why the answer is correctly identified as A. Other choices do not match this calculation and thus cannot be the correct result for the conversion being performed.