A video game store charges a monthly membership fee of $7.50 but the charge to rent each movie is only $1.00 per movie. Another store has no membership fee but it costs $2.50 to rent each movie. How many movies need to be rented each month for the total fees to be the same from either company?

Answer 1

let n be the number of movies rented

solve

2.5n = n + 7.5
n = ....

Answer 2

21