document.write( "Question 357178: a total of 1,200 students attended top view high school the ratio of teachers to students is 1:30.\r \n" );
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document.write( "i)how many teachers are there in the school?\r \n" );
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document.write( "two thifths of the students own personal computers \r \n" );
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document.write( "ii) how many students do not own personal computers?\r \n" );
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document.write( "thirty percent of the students who own personal computers also own play stations.\r \n" );
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document.write( "iii) what fractions of the students in the school own play stations? \n" );
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