An incomplete pseudocode algorithm is given with a description of its purpose.
Write the missing arithmetic operator to complete the algorithm.
Purpose: Finding the remaining battery percentage of a smartphone after a period of use.
startingCharge = 100
chargeUsed = 35
remainingCharge = startingCharge ..... chargeUsed
95 exam-style questions on OCR GCSE Computer Science Programming fundamentals. Each one has a worked solution and a mark scheme showing where the marks go.