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Home > CC3> Chapter 5 > Lesson 5.2.2 > Problem 5-36
5-36.
It is the end of the semester, and the clubs at school are recording their profits. The Science Club started out with $20 and has increased its balar
average of $10 per week. The Math Club has saved $5 per week after starting out with $50 at the beginning of the semester.
a. Create an equation for each club. Let 3 represent the number of weeks and y represent the balance of the club's account.
Hint (a):
Review your work from the problems in this lesson.
Answer (a):
b. Graph both lines on one set of axes. When do the clubs have the same balance?
Hint (b):
Where do the lines intersect?
c. What is the balance at that point?
Hint (c):
What is the y-value of the intersection point?
Complete the tables in the eTool below to help you with this problem.
Click the link at right for the full version of the eTool: CC35-36 HW e Tool