Kate is saving money to take an sat prep course. so far, she has $180 saved, and she plans to add $17 each month. part a) write an equation to represent kate's total savings. define your variables part b) determine how much she will have saved after 5 months. part c) kate started adding $17 each month in january. if the course she is planning to take costs $350 and starts in december, will kate have enough money to pay for the course before it starts?