Question

Kate is saving to take an SAT Prep course that costs $350 and saved $180 and she adds $17 to her savings each week. How many more weeks must she save to be able to afford the course?
Need the answer right now!
Ms. Sue
350 - 180 = 170

170/17 = ?

Dewantae
170/17=10
Abby
What is the equation that you would set up to solve this problem?