Question

There are between 24 and 40 students in class

the ratio of boys to girls is 4:7
how many students are in the class?

Answer 1

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Answer:

33

Explanation:

The total number of ratio units is 4+7 = 11. If each one stands for an integer number of students, that number is a multiple of 11 between 24 and 40. The only such number is 3×11 = 33.

There are 33 students in the class.

_____

12 are boys, 21 are girls.