Question 981381
Their intersection is for parks and racetracks revenues are equal.


Find that time using {{{177t+7335=507t+4599}}}.
{{{(507-177)t=7335-4599}}}
{{{330t=2736}}}
{{{t=8.29}}}
This would be if counting goes to some fraction of a year.


Otherwise, if to nearest one year, this is 8 years after 1998.