Balancing the bank account
This task is about solving equations and describing what the letters in them stand for.
Question
1
Change answer
a) On
Monday
, Amaia put $23 into her bank account, bringing her balance to $57.
This equation shows the transaction:
y
+ 23 = 57
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
1
Change answer
b) Here is another equation describing what Amaia did on
Tuesday
:
57 -
w
= 49
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
1
Change answer
c) On
Wednesday
Amaia withdrew two lots of $
x
.
The equation here shows this:
49 - 2
x
=
q
c) On
Wednesday
Amaia withdrew two lots of $
x
.
The equation here shows this:
49 - 2
x
=
q
If
x
= $9, what was her final balance on Wednesday (
q
)? $
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