4 a) Sebuah sekolah mengadakan lawatan sambil belajar ke Kuala Lumpur dengan membawa 44 orang penumpang termasuk seorang guru lelaki dan 3 orang guru perempuan. Diberi 2/5 daripada bakinya adalah murid lelaki. i. Berapakah bilangan murid perempuan yang menyertai lawatan itu?​

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24