16w because you need to add it up
The answer to your question is 1.25
Let the balance = Y and the number of weeks = x
She takes out 15 per week, so multiply 15 by x ( the number of weeks) to get 15x.
You would then want to subtract that from the amount she started with in her account.
The equation becomes: Y = 150 - 15x
Answer:
Step-by-step explanation:
5x/20 =45/36
5x = 20(45/36)
5x = 25
x = 5
Divide both sides by
:

If
, then

and more generally, for any integer
,
