The seventh-grade class is raising money to have a class trip at the end of the year. they began the year with $1 comma 500. now they have $1 comma 950 in the account. what is the percent increase for the money the class has raised? the class figured out that if there is a percent increase of 99% from the beginning of the year, they will have enough to pay for every student. how much money will they need to pay for every student?