This study notes covers Worked Example within Inverse Proportion for GCSE Mathematics. Revise Inverse Proportion in Ratio & Proportion for GCSE Mathematics with 15 exam-style questions and 10 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 4 of 5 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 4 of 5
Practice
15 questions
Recall
10 flashcards
Worked Example
6 workers take 15 days to complete a job. How long would 10 workers take?
Step 1 Find k (workers × days)
k = 6 × 15 = 90
Step 2 Use k to find new time
days = k ÷ workers = 90 ÷ 10
Answer:
9 days