The temperature in Helsinki at 4 am was −6∘C-6^{\circ}\text{C}−6∘C. By 10 am, the temperature had risen by 9∘C9^{\circ}\text{C}9∘C.
Work out the temperature at 10 am.
Practise AQA GCSE Maths Negative Numbers with exam-style questions for Foundation and Higher tier. 100 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.