Answer:
a is the number of weeks put in with $14, "a" week is used for 206+14a, and after 8 weeks it is $318
Step-by-step explanation:
Use the equation 206+14a to help you with the problem. The variable "a" is used for how many weeks is put in when adding $14 to Audrey's saving account. Plug in 8 for a which multiplies 14 and adds $206 in total to get $318 after 8 weeks of adding money.