Solve 3/10(t+2)-t/20>-3/5
3/10(t+2)-t/20>-3/5 multiply both sides of the equation by 20 to get:
6 (t+2) - t > -12
6t+12-t>-12 simplify ....and subtract 12 from both sides
5t > -24
t > -24/5