2024 RVHS H1 Q1

Three community self-help groups, CDAC, Sinda and Mendaki, organised community outreach tuition programme for the respective ethnic groups for the primary, secondary and pre-university level students. During the June vacation, they advertised for the same number of hours of tuition for each level of students respectively.

CDAC attracted \(50\) primary, \(30\) secondary and \(10\) pre-university students to participate in its programme, and committed a total of \(2300\) community hours from its volunteers for the programme.

Sinda attracted \(60\) primary, \(25\) secondary and \(8\) pre-university students to its programme and recorded \(2270\) community hours.

Mendaki reported \(2250\) community hours in helping with the \(80\) primary, \(15\) secondary and \(5\) pre-university students.

Find the number of hours each primary, secondary and pre-university student spent in this tuition programme respectively.[5]