Question

1/2y+3.2y=20 how many solutions does it have?

Answer 1

One solution, that is `y~~5.41`.

Explanation:

Given: `1/2y+3.2y=20`.

`=>0.5y+3.2y=20`

`3.7y=20`

`:.y=20/3.7`

`~~5.41`

So, this equation only has `bb("one")` solution.