Acme Movers charges ​$280 plus ​$40 per hour to move household goods across town.​ Hank's Movers charges ​$75 per hour. For what lengths of time does it cost less to hire​ Hank's Movers?

It costs less to hire​ Hank's Movers for times less than
how many hours

1 answer

75x < 280+40x