Question

Steve started at $250 and spent $20 per week. Chelsea started with nothing but saved $30 per week. Use X for time and Y for savings.

1. Write two separate equations to represent Steve's and Chelsea's situation.
2. After how many weeks did Steve and Chelsea have the same amount of money?
3. How much money will they have when they have the same amount?

Answer 1

y=-20x+250

y=30x

5 weeks

$150