The base biennial licensing fee for a commercial drone fleet management system is £540.00. Subscribers pay this base fee in 18 equal instalments.
A corporate customer receives a discount of 3% off this base biennial fee for every active drone safety certification they hold.
Construct a general mathematical expression to calculate the cost (in pounds) of each instalment.
Use the variable c c\,c to represent the number of active safety certifications.
159 exam-style questions on Edexcel GCSE Computer Science Algorithms, covering Constructs for solving problems, Variables, constants and data structures, Arithmetic, relational and logical operators, Tracing algorithm output with trace tables, Types of error and correcting logic errors, Standard algorithms (sorts and searches), and Evaluating algorithm fitness and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.