Final answer:
We find the average length of the other angelfish by dividing the known average length of the yellow-banded angelfish, 12 inches, by 4.8, resulting in an average length of 2.5 inches for the other angelfish. The exact type cannot be determined without further information.
Step-by-step explanation:
If the average length of a yellow-banded angelfish is 12 inches, which is 4.8 times the average length of another type of angelfish, we can find out the average length of the other angelfish by dividing the length of the yellow-banded angelfish by 4.8.
To find the average length of the other angelfish we use the following step-by-step calculation:
- Take the given length of the yellow-banded angelfish: 12 inches.
- Divide this length by 4.8 to find the average length of the other angelfish: 12 inches ÷ 4.8 = 2.5 inches.
Therefore, the average length of the other angelfish is 2.5 inches. Without additional information about the colors and average lengths of the Blue-banded, Green-banded, Red-banded, and Purple-banded angelfish, we cannot determine exactly which option a), b), c), or d) it corresponds to.