Question 790951
Just plug in the numbers to do part A.


Solve for t to do part B.  You are starting with {{{68=65+53/(4t+1)}}}.  Here is to get started:
{{{68-65=53/(4t+1)}}}
{{{3(4t+1)=53}}}
{{{12t+3=53}}}
.
.
you should continue to completion.