C) Which brand of OJ (orange juice) is the better buy? Brand A: $3.50 for 300 ml
Brand B: $6.80 for 650 ml

Ineed to learn how to solve this problem

What is the value of y? round to the nearest tenth

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?