Question

Question #e920f

Answer 1

See below

Explanation:

`.10t=ln(7/5)`

`0.10=1/10`

`1/10t=ln(7/5)`

In order to solve for `t`, we multiply both sides by `10`

`10/10t=10ln(7/5)`

`10/10=1`

`t=10ln(7/5)`