Question 1124430
plan A $25.75 plus .75 per min


{{{A=0.75x+25.75}}}



plan B $20.99 plus $1.00 per min 


{{{B=x+20.99}}}



{{{graph(}}}


The relative order of the costs changes around 30 or 35 minutes.
{{{0.75x+29.75=x+20.99}}}
{{{29.75-20.99=0.25x}}}
{{{x=35}}}---------minutes for plans to be equal.


Plan B is better until over 35 minutes.