Heya❤❤❤gaurav bought two kinds of dress materials for making dresses . he bought shirt material for 50 rupees per metre and trouser material for 90 rupees per metre. for every 2 meters of the trouser material he bought 3 metres of the shirt material. he sells the materials at 12% and 10% profit respectively. his total sale is 36,600. how much trouser material he bought?