Hasan buys two kinds of cloth materials for school uniforms, shirt materials that costs him Rs. 50 per metre and trouser material that costs him 90 per metre.For every 3 m of shirt material he buys 2 m of the trouser material.He sells the material at 12%, and 10% profit respectively.His total sale is Rs 36,600, How much trouser material did he buy?

Explanation

Total shirt=x m

Total trousers=y m

3n shirt=2 m trousers

1m shirt=2/3 m trousers

x m shirt =2/3x m trousers

`y=2/3x`
-(1) and x=3/2y

Total cost of shirt=50x

Total cost of Trousers=90y

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