Variable g is 8 more valuable than variable w. Variable g is also 4 less than w. Which pair of equations best models the relationship between g and w

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?