The number of students in three classes are in the ratio 2:3:5. If the number of students in each class is increased by 20 the ratio become 4: 5: 7. The total number of students before the increase was
5 1040 5f59cad069ed13038c145fe2
Q:
The number of students in three classes are in the ratio 2:3:5. If the number of students in each class is increased by 20 the ratio become 4: 5: 7. The total number of students before the increase was
- 180false
- 290false
- 3100true
- 4120false
- Show Answer
- Workspace
- Discuss