Carli and Angela share a cell phone plan and split the bill each month. Last month, their total bill was $109. Carli went over her data limit on her phone, so her share of the bill was $15 more than A

L e t ' s u s e t h e f o l l o w i n g v a r i a b l e s t o r e p r e s e n t t h e u n k n o w n s i n t h e p r o b l e m : Let C be the amount Carli pays for the phone bill. Let A be the amount Angela pays for the phone bill. From the given information, we can create the following equations: The total bill amount: C + A = $109. Carli's share is $15 more than Angela's: C = A + $15. These equations represent the situation where Carli and Angela share a cell phone plan and split the bill, with Carli's share bein g $15 more than Angela's share.