Susan got 72 marks in English out of 120 and 70 marks in Hindi out of 150 .The maximum marks in the mathematics paper were 180 . If she got 60% marks in all three papers combined how many marks did she get in mathematics The ons is 128 marks i just want the steps to do it

cmon somebody answer l want it
somebody atleast
nobody to help
nobody brainy ??


By percentage
72+70+x/120+150+180 × 100= 60
142+X / 450 ×100 = 60
after doing calculation u will get answer