The ratio of boys to girls in a class is 7 to 3. Among the options below, an acceptable value for the total number of students in the class is

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Solution

The correct option is B 50
Boys = 7x
Girls = 3x
Total number of students = 10x
Now, 7x and 3x should be integers.
Hence, x should be integer.
So 10x should be an integer.

Only 50 statisfies the above constraints.

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The ratio of boys to girls in a class is 7 to 3. Among the options below, an acceptable value for the total number of students in the class is

The correct option is B 50Boys = 7x Girls = 3x Total number of students = 10x Now, 7x and 3x should be integers. Hence, x should be integer. So 10x should be an integer. Only 50 statisfies the above constraints.

The correct option is B 50
Boys = 7x
Girls = 3x
Total number of students = 10x
Now, 7x and 3x should be integers.
Hence, x should be integer.
So 10x should be an integer.

Only 50 statisfies the above constraints.