Question

How do you solve `0.18y + 0.09( y + 4000) = 1980`?

Answer 1

`y = 6000`

Explanation:

Distribute:

`0.18y + 0.09y + 360 = 1980`

Collect Like Terms:

`0.27y = 1980 - 360`

`0.27y = 1620`

Divide to Isolate `y`:

`y = 6000`