Explain with scientific reason that origin of life was associated with some chemical reactions.​

Darwin's theory of biological evolution tells us that all life on earth may have originated from a single, relatively simple reproducing creature living in the distant past. This idea is based on many observations, one of which is that when living things reproduce, children are often born with random new traits.

Explanation:

490*x + 700*y > 4000

It is < as it can be equal to 4000 per week or less than.