The number of boys and girls in a class are in the ratio 7 is to 5 the number of boys is 8 more than the number of girls. what is the total class strength.

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Solution

Let the no. of girls be 5x
No. of boys=7x
According to the question
5x+8=7x
7x-5x=8
2x=8
x=8/2
x=4
No. of girls=54=20
no. of boys=74 or 5*4+8=28
Hence the total strength of the class is 20+28=48

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The number of boys and girls are in the ratio 7:5.the number of boys is 8 more than the number of girls . What is the total class strength?

Number of boys and girls in a class are in the ratio $7 : 5$ . The number of boys is $8$ more than the number of the girls. Find the total strength of the class.

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The number of boys and girls in a class are in the ratio 7 is to 5 the number of boys is 8 more than the number of girls. what is the total class strength.

Let the no. of girls be 5x No. of boys=7x According to the question 5x+8=7x 7x-5x=8 2x=8 x=8/2 x=4 No. of girls=5*4=20 no. of boys=7*4 or 5*4+8=28 Hence the total strength of the class is 20+28=48

Let the no. of girls be 5x
No. of boys=7x
According to the question
5x+8=7x
7x-5x=8
2x=8
x=8/2
x=4
No. of girls=54=20
no. of boys=74 or 5*4+8=28
Hence the total strength of the class is 20+28=48