Ryan is tracking how much money he has each week.

He started with $50.
He saves $15 per week for the first 6 weeks.
He spent $10 per week after week 6 until the money's all spent.
The y-intercept of this graph would be ___
meaning __

The y-intercept of this graph would be $50. This means that at the start of the tracking period, Ryan had $50.