Final answer:
The letters in the formula D/HxV=Amount to give represent density, height, and volume.
Step-by-step explanation:
In the formula D/HxV=Amount to give, the letters represent:
D = Density: Density is the amount of mass per unit volume of a substance.
H = Height: Height is the vertical measurement of an object or substance.
V = Volume: Volume is the amount of space occupied by an object or substance.