Ralph sold brownies for ? $0.27 a piece in order to earn money to buy baseball cards. if the cards cost ? $0.81 per? pack, and if ralph had no money left over after buying? them, what is the least number of brownies he must have? sold

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?