chetan scored 96 marks out of 120 marks in chemistry and 126 marks out of 150 marks in physics. compare his performence in the two subjects by expressing the marks as percentage.

Percentage= obtained marks/total marks and multiplied by 100.
Chetan's chemistry percentage= 96/120 multiplied by 100
                                                         80%
Chetan's physics percentage= 126/150 multiplied by 100.
                                             =84%
Hope it helps you.