### Home > MC2 > Chapter 7 > Lesson 7.2.3 > Problem 7-86

7-86.

Mimi is saving money. She already has $30 and earns an additional $10 per week. Alexis already has $80, but she is not spending or saving any additional money. When will the girls have the same amount of money and how much money will they have? Homework Help ✎

Set the amount of money Mimi makes equal to the amount that Alexis makes to know when they will have the same amount of money.

Use what you know about solving equations with variables to find the value of *x*.