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?
