PLEASE HELP Kelly wants to join an aerobics class. The initial membership fee is $25.00, and each clas costs $10.00. She pays a total of $115.00 to register for a certain number of classes. Create an equation to find the number of classes Kelly registered for.

Mia spent 30 minutes answering the math questions on the exam. this was 1/4 of the total amount of time allotted for this section of the exam. to determine the total amount of time allotted for this section of the exam, mia set up and solved the equation as shown below. which best describes the error that mia made when solving the equation?