Subtracting Decimals Word Problems

1. Sarah had $45.80 in her savings account. She spent $28.65 on a new book. How much money does she have left?

2. A recipe requires 2.5 litres of water. Tom has already added 1.75 litres. How much more water does he need to add?

3. The school running track is 3.2 kilometres long. Jade has run 1.85 kilometres so far. How much further does she need to run to complete the track?

4. A piece of ribbon was 5.4 metres long. After cutting off 2.68 metres, how much ribbon is left?

5. Ben bought a toy for $32.90. He paid with a $50 note. How much change should he receive?

6. A bag of flour weighs 1.5 kg. After baking some biscuits, the bag now weighs 0.875 kg. How much flour was used?