### Home > ACC7 > Chapter 7 Unit 8 > Lesson CC3: 7.2.1 > Problem7-41

7-41.

MORE OR LESS

Judy has $\$20 and is saving at a rate of $\$6 per week. Ida has $\$172 and is spending at a rate of $\$4 per week. After how many weeks will each have the same amount of money? Homework Help ✎

1. Write an equation using $x$ and $y$ for Judy and Ida. What does $x$ represent? What does $y$ represent?

The equation for Judy is $y=6x+20$.
In this equation $y$ represents the money she has and $x$ represents the number of weeks that have passed.
Try to write your own equation for Ida.

2. Solve this problem using any method you choose.

Try using the Equal Values Method.