Instructions

Study the following table carefully to answer the question that follows:

 

NUMBER OF BOYS AND GIRLS IN FIVE STREAMS OF A COLLEGE OVER THE YEARS

Question 178

What is the ratio of the total number of boys to the total numbers of girls from all the stream together for the year 2007 ?

Solution

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The total number of boys in 2007 equals 698 + 765 + 571 + 1288 + 1151 = 4473

The total number of girls in 2007 equals 413 + 616 + 515 + 1016 + 1010 = 3570

Hence the ratio equals 4473:3570 = 213*21 : 170*21 = 213:170

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