Answer:
Dave will get £1.60 change. Hence Dave is right
Explanation:
Complete question
Dave goes into a cafe and buys 2 cups of coffee and a piece of cake.
Each
cup of coffee costs £2.75
The cake costs £2.90
Dave pays with a £10 note.
He thinks he will get more than £1.50 in change.
Is Dave correct?
Solution
Cost of one cup of coffee = £2.75
Cost of two cup of coffee = 2* £2.75 = £ 5.5
Cost of cake = £2.90
Total amount given by Dave = £10
Amount left with Dave = £10 -£ 5.5 - £2.90 = £1.60
Dave will get £1.60 change. Hence Dave is right