Fahima buys
2 packets of bread rolls costing £1.50 for each packet
1 bottle of ketchup costing £1.60
3 packets of sausages
Fahima pays with a £10 note.
She gets 30p change.
Fahima works out that one packet of sausages costs £2.30
Is Fahima right?
You must show how you get your answer.
?