Question 93958
A (greater than or = here) 0.25 (A+B) 
:
Write it:
A >= .25(A + B)
:
Multiply what's inside the brackets:
A >= .25A + .25B
:
1.0A - .25A >= .25B
:
.75A >= .25B
:
A >= {{{.25/.75}}}B
:
A >= {{{1/3}}}B