Question

Among Davids classmates, there are twice as many boys as girls. Which of the following numbers may represent the number of all the children in his class?

Answer 1

The number that could represent the number of students in class is = X + 2x

Calculation and f the total number of students

Let us take the number of boys to be = X

Then the number of girls is twice that of the boys. That is, y = 2x

Therefore the total number of students in the class z = X + 2x

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