Answer:
It will take Jamie 45 months to make the payment
Step-by-step explanation
:Let the number of months it will take her to make the payments be x
Then the following equation represents the scenario:
400x + 5000 = 23000
Solving for x
400x = 23000 - 5000
400x = 18000
x = 18000/400
= 45
It will take 45 months to make the payment