Given that k k\,k is an integer such that 0≤k≤90 \leq k \leq 90≤k≤9, prove algebraically that the recurring decimal 0.6˙k˙1˙0.\dot{6}\dot{k}\dot{1}0.6˙k˙1˙ can be written as a fraction in terms of kkk
203 exam-style questions on CCEA GCSE Maths Recurring Decimals to Fractions. Each one has a worked solution and a mark scheme showing where the marks go.