Various modes of transport used by 1260 students in a given school are given below: Represent the above data by a pie chart. How to calculate values??

3/6   and 9/18

step-by-step explanation:

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

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled