Answer:
Step-by-step explanation:
The initial amount was $300 and the final amount $350. This $50 change occurred in 4 weeks. Thus, the rate of change was
$50
----------- = $12.50/week for the first four weeks
4 wks
For the first nine weeks, the rate of change was
$400-$300 $100
------------------- = ----------------- = $0.11/week.
9 wks 9 wks
Note that this second result makes little sense. Ensure that you have copied this problem down correctly.
