Question 911790
A good attempt and then you stopped.  Why?


The m would be the variable for miles.


Find m for Ace more expensive than Acme;
{{{15+0.25m>=24+0.15m}}}


{{{0.25m-0.15m>=24-15}}}


{{{0.10m>=9}}}

{{{m>=9/(0.10)}}}

{{{highlight(m>=90)}}}