Answer:
Cara: $12
Chloe: $17
Explanation:
Each will get $2 a day for 5 days, meaning a total of $10 for each
Cara: Starts with $2 + $10 from the week will have $12
Chloe: Starts with $7 + $10 from the week will have $17
The relationship is that each day the amount they have goes up by $2