Question

4: At the checkout

Joan buys some food.
The total cost is £12.50
Joan pays with a £20 note.
She gets £6.50 change.
This is the wrong change from £20
Explain why.
Write your answer in the box below.​

Answer 1

£20-£12.50 = £7.50
She should’ve been given £7.50 change

Answer 2

£12.50 + £6.50 = £19
If Joan paid with a £20 note she should of gotten £7.50 change .
So she got given the wrong change