1. calculate how much john saves each month 2. Write an equation that represents John's savings account balance, y, after x months

3. calculate how much brenda saves each month

4. write an equation that represents Brenda’s saving account balance, y, after x months

5. your friend Brian looks at this problem and says “you don’t have to bother graphing this, there’s no solution. john and Brenda both save 20% of their income each month, which means their lines will have the same slope. if you graph them, they’ll be parallel.” is Brian correct? why or why not?