The Times-Herald is planning a special-edition magazine. The publishing expenses include fixed costs of $1200 and printing costs of 30 cents per magazine. The magazines will sell for 75 cents each,...

TheTimes-Herald
is planning a special-edition magazine. The publishing expenses include fixed costs of $1200 and printing costs of 30 cents per magazine. The magazines will sell for 75 cents each, and advertising revenue is 20 cents per magazine. How many magazines must be sold to make a profit? Please show steps.