Balancing the bank account

This task is about solving equations and describing what the letters in them stand for.

Question 1Change answer

girl standing outside a bank
a)  On Monday, Amaia put $23 into her bank account, bringing her balance to $57.
      This equation shows the transaction:
y + 23 = 57
i)  What is the value of y? $ 
ii)  y stands for 
 

Question 1Change answer

b)  Here is another equation describing what Amaia did on Tuesday: 
57 - w = 49
i)   What is the value of w? $
ii)   What did she do on Tuesday? 

Question 1Change answer

c)  On Wednesday Amaia withdrew two lots of $x.
     The equation here shows this:  
49 - 2x = q
If x = $9, what was her final balance on Wednesday (q)? $