An investment grows by 5% in January and then by a further 5% in February.
Sarah says: "The investment has grown by exactly 10% over the two months".
Is Sarah correct?
You must show your working.
Practise OCR GCSE Maths Repeated Percentage Change with exam-style questions for Foundation and Higher tier. 56 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.