39 students of class 10th took part in a quiz. If the number
of girls is 3 more than the number of boys, find the number of
boys and girls who took park in the quiz using graph.
answer is ( x = 18) and ( y = 21) please explane
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Answered by
0
Answer:
Given that,
Total number of students who took part in the the quiz =39
Let, the number of boys who took part in the quiz =x
and, number of girls who took part in the quiz =y
According to question,
x+y=3 ...........(1)
y=x+4 ..........(2)
By putting value of x=10−y in equation(2), we get
y=3−y+4
or, 2y=14
So, y=
2
14
=7
and x=10−7=3
Therefore,
Number of boys who took part in the quiz =3
Number of girls who took part in the class =7
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Answer:
Let boys be x.
Girls be x+3
Total students =39
x+x+3=39
2x+3=39
2x=39-3
2x=36
x=18
Boys =18
Girls=21
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