Describe the trichromatic theory of color vision.

Explanation:

The Young-Helmholtz trichromatic theory of color vision claims that humans perceive color because the eye can receive light of three different wavelengths and combine them into the entire visible spectrum. Today, we know that these three wavelengths correspond to blue, green, and red light respectively.

it’s 8.3

Step-by-step explanation:

First u Divide 30 and 5 to get six. Then when u do that u divide 50 and 6 to get ur answer