Question

Fiona doubled the original amount in her savings account, s. Which expression represents her new balance and what is that new balance if s=160?
2s; when s=160 the new balance in Fiona’s savings account is $80.
s/2; when s=160 the new balance in Fiona’s savings account is $320.
2s; when s=160 the new balance in Fiona’s savings account is $320.
s/2; when s=160 the new balance in Fiona’s savings account is $80.

Answer 1

Answer:

option 3/ C

2 s; when s = 160 the new balance in Fiona’s savings account is $320.

Answer 2

Fiona's new balance is $320

Data;

• Saving balance = $160
• New balance = ?

Fiona's New Balance

To find Fiona's new balance, we have to take into consideration of the fact that her new balance is a doubled amount of her pervious balance.

Let her old balance = x

new balance = 2x

$x = 160\\new balance = 2(160) = \ 320$

Fiona's new balance is $320

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