Apack of 5 book costs $18.75. a pack of 3 books $12.75. which pack has the the lowest cost per books (hint - find the unit rate for each pack , the compare ) show your work

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?

How do i do this activity, is appreciated

What is the value of x? enter your answer in the box.