What percent of 75 is 15

2-digit numbers less than 91 which are 1 less than a multiple of 10

Which function is represented by the graph

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?