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How many classmates did he have?

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A generous boy wanted to give sweets to his classmates.

He offered 9 sweets to each boy and 12 sweets to each girl.

One third of the boys in the class accepted the sweets but only one quarter of the girls had the sweets.

If the boy gave out 87 sweets, how many classmates did he have?

posted May 17, 2016 by Pushpak Chauhan

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2 Answers

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total number of students is 29,
because if boys are x and girls are y,
so according to ques. -9*(x\3)+12*(y\4)=87.
=> x+y=29

answer May 17, 2016 by Hasan Raza
thankyou sir
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Let x = boys and y = girls
Then we can write the following equation
1/3x * 9 + 1/4y * 12 = 87 ; Then 3x + 3y = 87 or x + y = 29
The answer is 29

answer May 26, 2016 by anonymous



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