In a school 5/8 of the sthdent are boys .if there are 240 girls.find the number of boys in the school.
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4
5/8 of total are boys
then (1-5/8 ) = 3/8 of total will be girl
Let total be x
3x/8 = 240
⇒x = 640
now, 5/8 of 640 will be boy.
(5/8)×640 = 400
then (1-5/8 ) = 3/8 of total will be girl
Let total be x
3x/8 = 240
⇒x = 640
now, 5/8 of 640 will be boy.
(5/8)×640 = 400
Answered by
2
Boys=5/8
Girls=3/8
given girls are 240.
3/8x y=240(y=Total no. of students.
y=640
no. of boys=5/8x 640
=400
Girls=3/8
given girls are 240.
3/8x y=240(y=Total no. of students.
y=640
no. of boys=5/8x 640
=400
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