Mathematics
16.02.2022 22:32
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Wally takes $40 out of his bank account every week.if he had a balance of $100 to

Wally takes $40 out of his bank account every week.if he had a balance of $100 to begin with,what is his balance after 4 weeks?
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lilly3276
lilly3276
5,0(64 marks)

-100  dollars

Step-by-step explanation:

Wally takes out $40 dollars out of his bank account every week, then we know that he has $100 dollars to begin with,

Meaning that for 4 weeks, we have to $40 dollars out of $100.

1^{st}  time  :

$100 - $40

==> $60

2^{nd}  time  :

$60 - $40

==> $20

3^{rd}  time  :

$20 - $40

==> -$60

Last  time  :

-$60 - $40

==> -$100

joey333
joey333
4,5(95 marks)
1/5^7 would be a good answer

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