190k views
0 votes
3. When Julie turned 10 years old, she decided to start saving to buy a car. Her mom gave her $100 to help her get

started on her savings After 7 months, Julie had saved $345. Write an equation that relates the amount she has
saved (y) after (x) months of saving.​

User Bksunday
by
7.8k points

1 Answer

4 votes

Answer:

y = 35x + 100

Explanation:

she started with $100, which is the y-intercept. After 7 months, she has 245 more. 245/7 = 35 per month. this is your slope.

User Gevorg
by
8.2k points