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P6 Math Heuristic #2 - Unit & Parts
March 21, 2025

P6 Math Heuristic #2 - Unit & Parts

Updated: Mar 21

📌 TL;DR: Updated: Mar 21 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.

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?