in a school ,the no of girls are 50more than boys and toral streght is 1070 .Find no.of girls
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Q. In a school, the number of girls are 50 more than boys and total strength is 1070. Find the number of girls.
Solution :
Given :-
Total strength of school = 1070
Let the number of boys be x
number of girls = (50+x)
So,
Total strength of school = number of boys + number of girls.
=> 1070 = x + 50+x
=> 1070 = 2x + 50
=> 1070-50 = 2x
=> 1020 = 2x
=> 1020/2 = x
=> 510 = x
Hence, the number of boys = x = 510
number of girls = (x +50) = 510+50 = 560
Hence, the number of girls in the school = 560.
Solution :
Given :-
Total strength of school = 1070
Let the number of boys be x
number of girls = (50+x)
So,
Total strength of school = number of boys + number of girls.
=> 1070 = x + 50+x
=> 1070 = 2x + 50
=> 1070-50 = 2x
=> 1020 = 2x
=> 1020/2 = x
=> 510 = x
Hence, the number of boys = x = 510
number of girls = (x +50) = 510+50 = 560
Hence, the number of girls in the school = 560.
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