b. How much does she have after 3 months?
c. Graph Sara's savings account balance and goal using Desmos. Use this graph
to answer the following questions.
d. If she continues saving $180 per month, how long will it take her to reach her
goal? How can you find that point on the graph?
e. Approximately how many months earlier will Sara meet her saving goal if she
saves $240 per month, instead of $180 per month?
f. If Sara wants to reach her $5000 goal in one year, approximately how much
would she need to save each month?