P6 Math Heuristic #2 - Unit & Parts
- Mar 5, 2025
- 1 min read
Updated: Mar 21, 2025
The ratio of the number of tables and chairs in a tuition centre was 3 : 7. After another 20 tables and 280 chairs were added, the ratio became 2 : 7. How many tables and chairs were there in the centre at first?



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