If you need a digital copy, here are legitimate methods:
Based on standard Grade 8 schemes of work using Longman materials, the curriculum typically includes: Grade 8 Mathematics Term 2 Scheme | PDF | Algebra - Scribd longman mathematics grade 8 pdf
So, why the specific search for a PDF?
: Practical applications including Ratio and Proportion , Percentage , Profit and Loss , and both Simple and Compound Interest . If you need a digital copy, here are