Respuesta :

Answer:

Total students = 48

Step-by-step explanation:

Let the common multiplier of the given ratios be x.

Therefore

Boys = 7x & Girls = x

[tex]7x = 42 \\ \\ x = \frac{42}{7} \\ \\ x = 6 \\ \implies \: 7x + x = 8x = 8 \times 6 = 48 \\ [/tex]

Hence, there are total 48 students in the school.

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