letter a company charges a flat rate of $129 (yearly) for ap and $7.99 for each hd movie rental.
yr charges a flat rate of $144 (yearly) and $4.99 for each movie rental.
c) solve the system of equations to determine how many movies you must rent from each company to have equal bills.
do not just give an answer. you must show your work and explain what you did.

d) what would be the dollar amount when the bills are equal? how did you get that answer?