What is the equation for how much she has saved?

Paola is saving money to go on a trip. She has $120 dollars and saves an additional $15 a week What is the equation?

---

Let x = the amount she is saving each week.
Let y = the total amount that she has saved.

She is starting with $120 and saving $15 each week.

y = 15x + 120  {already has $120 and saving $15 each week}
​
Ask Algebra House